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- GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST
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GMT
Greenwich Mean Time
GMT +0
EDT/EST
Eastern Daylight Time
GMT -4
EST automatically adjusted to EDT time zone, that is in use
ACST
Australian Central Standard Time
GMT +9:30
ACST
Australian Central Standard Time
GMT +9:30
MDT
Mountain Daylight Time
GMT -6
MDT
CEST/CET
Central European Summer Time
GMT +2
CET automatically adjusted to CEST time zone, that is in use
CEST/CET
Central European Summer Time
GMT +2
CET automatically adjusted to CEST time zone, that is in use
CEST/CET
Central European Summer Time
GMT +2
CET automatically adjusted to CEST time zone, that is in use
CEST/CET
Central European Summer Time
GMT +2
CET automatically adjusted to CEST time zone, that is in use
EDT/EST
Eastern Daylight Time
GMT -4
EST automatically adjusted to EDT time zone, that is in use
Time Difference
Greenwich Mean Time is 4 hours ahead of Eastern Daylight Time and 9 hours and 30 minutes behind Australian Central Standard Time and 9 hours and 30 minutes behind Australian Central Standard Time and 6 hours ahead of Mountain Daylight Time and 6 hours ahead of Mountain Daylight Time and 2 hours behind Central European Summer Time and 2 hours behind Central European Summer Time and 2 hours behind Central European Summer Time and 2 hours behind Central European Summer Time and 4 hours ahead of Eastern Daylight Time and 5 hours and 30 minutes behind India Standard Time
5:00 pm17:00 in GMT is 1:00 pm13:00 in EDT and is 2:30 am02:30 in ACST and is 2:30 am02:30 in ACST and is 11:00 am11:00 in MDT and is 11:00 am11:00 in MDT and is 7:00 pm19:00 in CEST and is 7:00 pm19:00 in CEST and is 7:00 pm19:00 in CEST and is 7:00 pm19:00 in CEST and is 1:00 pm13:00 in EDT and is 10:30 pm22:30 in IST
GMT to EST call time
Best time for a conference call or a meeting is between 1pm-6pm in GMT which corresponds to 8am-1pm in EST
GMT to ACST call time
Best time for a conference call or a meeting is between 8am-10am in GMT which corresponds to 5:30pm-7:30pm in ACST
GMT to ACST call time
Best time for a conference call or a meeting is between 8am-10am in GMT which corresponds to 5:30pm-7:30pm in ACST
GMT to MDT call time
Best time for a conference call or a meeting is between 2pm-6pm in GMT which corresponds to 8am-12pm in MDT
GMT to MDT call time
Best time for a conference call or a meeting is between 2pm-6pm in GMT which corresponds to 8am-12pm in MDT
GMT to CET call time
Best time for a conference call or a meeting is between 8am-5pm in GMT which corresponds to 9am-6pm in CET
GMT to CET call time
Best time for a conference call or a meeting is between 8am-5pm in GMT which corresponds to 9am-6pm in CET
GMT to CET call time
Best time for a conference call or a meeting is between 8am-5pm in GMT which corresponds to 9am-6pm in CET
GMT to CET call time
Best time for a conference call or a meeting is between 8am-5pm in GMT which corresponds to 9am-6pm in CET
GMT to EST call time
Best time for a conference call or a meeting is between 1pm-6pm in GMT which corresponds to 8am-1pm in EST
GMT to IST call time
Best time for a conference call or a meeting is between 8am-12:30pm in GMT which corresponds to 1:30pm-6pm in IST
5:00 pm17:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
1:00 pm13:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
2:30 am02:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
2:30 am02:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
11:00 am11:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
11:00 am11:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
7:00 pm19:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
7:00 pm19:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
7:00 pm19:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
7:00 pm19:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
1:00 pm13:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
10:30 pm22:30 India Standard Time (IST). Offset UTC +5:30 hours
5:00 pm17:00 GMT / 1:00 pm13:00 EDT / 2:30 am02:30 ACST / 2:30 am02:30 ACST / 11:00 am11:00 MDT / 11:00 am11:00 MDT / 7:00 pm19:00 CEST / 7:00 pm19:00 CEST / 7:00 pm19:00 CEST / 7:00 pm19:00 CEST / 1:00 pm13:00 EDT / 10:30 pm22:30 IST
GMT | EDT | ACST | ACST | MDT | MDT | CEST | CEST | CEST | CEST | EDT | IST |
---|---|---|---|---|---|---|---|---|---|---|---|
12am (midnight) | 8pm | 9:30 am | 9:30 am | 6pm | 6pm | 2am | 2am | 2am | 2am | 8pm | 5:30 am |
1am | 9pm | 10:30 am | 10:30 am | 7pm | 7pm | 3am | 3am | 3am | 3am | 9pm | 6:30 am |
2am | 10pm | 11:30 am | 11:30 am | 8pm | 8pm | 4am | 4am | 4am | 4am | 10pm | 7:30 am |
3am | 11pm | 12:30 pm | 12:30 pm | 9pm | 9pm | 5am | 5am | 5am | 5am | 11pm | 8:30 am |
4am | 12am (midnight) | 1:30 pm | 1:30 pm | 10pm | 10pm | 6am | 6am | 6am | 6am | 12am (midnight) | 9:30 am |
5am | 1am | 2:30 pm | 2:30 pm | 11pm | 11pm | 7am | 7am | 7am | 7am | 1am | 10:30 am |
6am | 2am | 3:30 pm | 3:30 pm | 12am (midnight) | 12am (midnight) | 8am | 8am | 8am | 8am | 2am | 11:30 am |
7am | 3am | 4:30 pm | 4:30 pm | 1am | 1am | 9am | 9am | 9am | 9am | 3am | 12:30 pm |
8am | 4am | 5:30 pm | 5:30 pm | 2am | 2am | 10am | 10am | 10am | 10am | 4am | 1:30 pm |
9am | 5am | 6:30 pm | 6:30 pm | 3am | 3am | 11am | 11am | 11am | 11am | 5am | 2:30 pm |
10am | 6am | 7:30 pm | 7:30 pm | 4am | 4am | 12pm (noon) | 12pm (noon) | 12pm (noon) | 12pm (noon) | 6am | 3:30 pm |
11am | 7am | 8:30 pm | 8:30 pm | 5am | 5am | 1pm | 1pm | 1pm | 1pm | 7am | 4:30 pm |
12pm (noon) | 8am | 9:30 pm | 9:30 pm | 6am | 6am | 2pm | 2pm | 2pm | 2pm | 8am | 5:30 pm |
1pm | 9am | 10:30 pm | 10:30 pm | 7am | 7am | 3pm | 3pm | 3pm | 3pm | 9am | 6:30 pm |
2pm | 10am | 11:30 pm | 11:30 pm | 8am | 8am | 4pm | 4pm | 4pm | 4pm | 10am | 7:30 pm |
3pm | 11am | 12:30 am | 12:30 am | 9am | 9am | 5pm | 5pm | 5pm | 5pm | 11am | 8:30 pm |
4pm | 12pm (noon) | 1:30 am | 1:30 am | 10am | 10am | 6pm | 6pm | 6pm | 6pm | 12pm (noon) | 9:30 pm |
5pm | 1pm | 2:30 am | 2:30 am | 11am | 11am | 7pm | 7pm | 7pm | 7pm | 1pm | 10:30 pm |
6pm | 2pm | 3:30 am | 3:30 am | 12pm (noon) | 12pm (noon) | 8pm | 8pm | 8pm | 8pm | 2pm | 11:30 pm |
7pm | 3pm | 4:30 am | 4:30 am | 1pm | 1pm | 9pm | 9pm | 9pm | 9pm | 3pm | 12:30 am |
8pm | 4pm | 5:30 am | 5:30 am | 2pm | 2pm | 10pm | 10pm | 10pm | 10pm | 4pm | 1:30 am |
9pm | 5pm | 6:30 am | 6:30 am | 3pm | 3pm | 11pm | 11pm | 11pm | 11pm | 5pm | 2:30 am |
10pm | 6pm | 7:30 am | 7:30 am | 4pm | 4pm | 12am (midnight) | 12am (midnight) | 12am (midnight) | 12am (midnight) | 6pm | 3:30 am |
11pm | 7pm | 8:30 am | 8:30 am | 5pm | 5pm | 1am | 1am | 1am | 1am | 7pm | 4:30 am |
0:00 | 20:00 | 9:30 | 9:30 | 18:00 | 18:00 | 2:00 | 2:00 | 2:00 | 2:00 | 20:00 | 5:30 |
1:00 | 21:00 | 10:30 | 10:30 | 19:00 | 19:00 | 3:00 | 3:00 | 3:00 | 3:00 | 21:00 | 6:30 |
2:00 | 22:00 | 11:30 | 11:30 | 20:00 | 20:00 | 4:00 | 4:00 | 4:00 | 4:00 | 22:00 | 7:30 |
3:00 | 23:00 | 12:30 | 12:30 | 21:00 | 21:00 | 5:00 | 5:00 | 5:00 | 5:00 | 23:00 | 8:30 |
4:00 | 0:00 | 13:30 | 13:30 | 22:00 | 22:00 | 6:00 | 6:00 | 6:00 | 6:00 | 0:00 | 9:30 |
5:00 | 1:00 | 14:30 | 14:30 | 23:00 | 23:00 | 7:00 | 7:00 | 7:00 | 7:00 | 1:00 | 10:30 |
6:00 | 2:00 | 15:30 | 15:30 | 0:00 | 0:00 | 8:00 | 8:00 | 8:00 | 8:00 | 2:00 | 11:30 |
7:00 | 3:00 | 16:30 | 16:30 | 1:00 | 1:00 | 9:00 | 9:00 | 9:00 | 9:00 | 3:00 | 12:30 |
8:00 | 4:00 | 17:30 | 17:30 | 2:00 | 2:00 | 10:00 | 10:00 | 10:00 | 10:00 | 4:00 | 13:30 |
9:00 | 5:00 | 18:30 | 18:30 | 3:00 | 3:00 | 11:00 | 11:00 | 11:00 | 11:00 | 5:00 | 14:30 |
10:00 | 6:00 | 19:30 | 19:30 | 4:00 | 4:00 | 12:00 | 12:00 | 12:00 | 12:00 | 6:00 | 15:30 |
11:00 | 7:00 | 20:30 | 20:30 | 5:00 | 5:00 | 13:00 | 13:00 | 13:00 | 13:00 | 7:00 | 16:30 |
12:00 | 8:00 | 21:30 | 21:30 | 6:00 | 6:00 | 14:00 | 14:00 | 14:00 | 14:00 | 8:00 | 17:30 |
13:00 | 9:00 | 22:30 | 22:30 | 7:00 | 7:00 | 15:00 | 15:00 | 15:00 | 15:00 | 9:00 | 18:30 |
14:00 | 10:00 | 23:30 | 23:30 | 8:00 | 8:00 | 16:00 | 16:00 | 16:00 | 16:00 | 10:00 | 19:30 |
15:00 | 11:00 | 0:30 | 0:30 | 9:00 | 9:00 | 17:00 | 17:00 | 17:00 | 17:00 | 11:00 | 20:30 |
16:00 | 12:00 | 1:30 | 1:30 | 10:00 | 10:00 | 18:00 | 18:00 | 18:00 | 18:00 | 12:00 | 21:30 |
17:00 | 13:00 | 2:30 | 2:30 | 11:00 | 11:00 | 19:00 | 19:00 | 19:00 | 19:00 | 13:00 | 22:30 |
18:00 | 14:00 | 3:30 | 3:30 | 12:00 | 12:00 | 20:00 | 20:00 | 20:00 | 20:00 | 14:00 | 23:30 |
19:00 | 15:00 | 4:30 | 4:30 | 13:00 | 13:00 | 21:00 | 21:00 | 21:00 | 21:00 | 15:00 | 0:30 |
20:00 | 16:00 | 5:30 | 5:30 | 14:00 | 14:00 | 22:00 | 22:00 | 22:00 | 22:00 | 16:00 | 1:30 |
21:00 | 17:00 | 6:30 | 6:30 | 15:00 | 15:00 | 23:00 | 23:00 | 23:00 | 23:00 | 17:00 | 2:30 |
22:00 | 18:00 | 7:30 | 7:30 | 16:00 | 16:00 | 0:00 | 0:00 | 0:00 | 0:00 | 18:00 | 3:30 |
23:00 | 19:00 | 8:30 | 8:30 | 17:00 | 17:00 | 1:00 | 1:00 | 1:00 | 1:00 | 19:00 | 4:30 |
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo
Principal Cities: The largest city in the GMT timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Abidjan, Dakar, Grand Dakar, Accra
Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.
![GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (2) GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (2)](https://i0.wp.com/savvytime.com/images/timezone/gmt.png)
GMT representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
IANA/Olson: Reflects GMT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Africa/Abidjan
- Africa/Accra
- Africa/Bamako
- Africa/Banjul
- Africa/Bissau
- Africa/Conakry
- Africa/Dakar
- Africa/Freetown
- Africa/Lome
- Africa/Monrovia
- Africa/Nouakchott
- Africa/Ouagadougou
- Africa/Sao_Tome
- Africa/Timbuktu
- America/Danmarkshavn
- Atlantic/Reykjavik
- Atlantic/St_Helena
- Eire
- Etc/GMT
- Etc/GMT+0
- Etc/GMT-0
- Etc/GMT0
- Etc/Greenwich
- Europe/Belfast
- Europe/Dublin
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- GMT
- GMT+0
- GMT-0
- GMT0
- Greenwich
- Iceland
GMT Abbreviation: Several time zones share GMT abbreviation and it could refer to these time zones
- Greenwich Mean Time - UTC +0
- GMT+03:00 - UTC +3
- GMT+06:00 - UTC +6
- GMT - UTC +0
- GMT+11:00 - UTC +11
Time zones with the GMT +0 offset:
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
![GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (3) GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (3)](https://i0.wp.com/savvytime.com/images/timezone/est.png)
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) has ended on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am. Standard time starts annually the on first Sunday of November.
EST representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -05 - basic short
- -0500 - basic
- -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
Time zones with the GMT -5 offset:
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
Australian Central Standard Time
Offset: ACST is 9 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the ACST timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Darwin, Adelaide Hills, Alice Springs, Palmerston
![GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (6) GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (6)](https://i0.wp.com/savvytime.com/images/timezone/acst.png)
Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Central Daylight Time (ACDT).
Start: Australian Central Standard Time (ACST) started on Sunday, April 7, 2024 at 3:00 am local time and clocks were set one hour back to Sunday, April 7, 2024, 2:00 am. Standard time starts annually the on first Sunday of April.
End: Australian Central Standard Time (ACST) ends on Sunday, October 6, 2024 at 2:00 am local time and clocks are set one hour forward to Sunday, October 6, 2024, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.
ACST representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +0930 - basic
- +09:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0930 - sign character (+) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates nine hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects ACST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Australia/Adelaide
- Australia/Broken_Hill
- Australia/Darwin
- Australia/North
- Australia/South
- Australia/Yancowinna
Australian Central Standard Time
Offset: ACST is 9 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the ACST timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Darwin, Adelaide Hills, Alice Springs, Palmerston
![GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (9) GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (9)](https://i0.wp.com/savvytime.com/images/timezone/acst.png)
Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Central Daylight Time (ACDT).
Start: Australian Central Standard Time (ACST) started on Sunday, April 7, 2024 at 3:00 am local time and clocks were set one hour back to Sunday, April 7, 2024, 2:00 am. Standard time starts annually the on first Sunday of April.
End: Australian Central Standard Time (ACST) ends on Sunday, October 6, 2024 at 2:00 am local time and clocks are set one hour forward to Sunday, October 6, 2024, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.
ACST representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +0930 - basic
- +09:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0930 - sign character (+) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates nine hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects ACST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Australia/Adelaide
- Australia/Broken_Hill
- Australia/Darwin
- Australia/North
- Australia/South
- Australia/Yancowinna
Mountain Daylight Time
Offset: MDT is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the MDT timezone is Ciudad Juarez from Mexico with population about 1.512 million people. Other major cities in the area are Calgary, Chihuahua, Edmonton, El Paso
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico
![GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (12) GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (12)](https://i0.wp.com/savvytime.com/images/timezone/mdt.png)
Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Mountain Standard Time (MST).
Start: Mountain Daylight Time (MDT) started on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Mountain Daylight Time (MDT) ends on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
MDT representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -06 - basic short
- -0600 - basic
- -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Sierra - Military abbreviation for MDT
- S - short form of 'Sierra'
IANA/Olson: Reflects MDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- America/Boise
- America/Cambridge_Bay
- America/Chihuahua
- America/Denver
- America/Edmonton
- America/Inuvik
- America/Mazatlan
- America/Ojinaga
- America/Shiprock
- America/Yellowknife
- Canada/Mountain
- MST7MDT
- Mexico/BajaSur
- Navajo
- US/Mountain
Time zones with the GMT -6 offset:
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Mountain Daylight Time
Offset: MDT is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the MDT timezone is Ciudad Juarez from Mexico with population about 1.512 million people. Other major cities in the area are Calgary, Chihuahua, Edmonton, El Paso
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico
![GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (15) GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (15)](https://i0.wp.com/savvytime.com/images/timezone/mdt.png)
Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Mountain Standard Time (MST).
Start: Mountain Daylight Time (MDT) started on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Mountain Daylight Time (MDT) ends on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
MDT representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -06 - basic short
- -0600 - basic
- -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Sierra - Military abbreviation for MDT
- S - short form of 'Sierra'
IANA/Olson: Reflects MDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- America/Boise
- America/Cambridge_Bay
- America/Chihuahua
- America/Denver
- America/Edmonton
- America/Inuvik
- America/Mazatlan
- America/Ojinaga
- America/Shiprock
- America/Yellowknife
- Canada/Mountain
- MST7MDT
- Mexico/BajaSur
- Navajo
- US/Mountain
Time zones with the GMT -6 offset:
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Central European Time
Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Tunisia, Vatican City
Principal Cities: The largest city in the CET timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Algiers
German: MEZ - Mitteleuropäische Zeit
![GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (18) GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (18)](https://i0.wp.com/savvytime.com/images/timezone/cet.png)
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central European Summer Time (CEST).
End: Central European Time (CET) has ended on Sunday, March 31, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 31, 2024, 3:00 am local daylight time instead. Standard time ends annually the on last Sunday of March.
Start: Central European Time (CET) starts on Sunday, October 27, 2024 at 3:00 am local time and clocks are set one hour back to Sunday, October 27, 2024, 2:00 am. Standard time starts annually the on last Sunday of October.
CET representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +01 - basic short
- +0100 - basic
- +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Alpha - Military abbreviation for CET
- A - short form of 'Alpha'
IANA/Olson: Reflects CET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Africa/Algiers
- Africa/Ceuta
- Africa/Tunis
- Arctic/Longyearbyen
- Atlantic/Jan_Mayen
- CET
- Europe/Amsterdam
- Europe/Andorra
- Europe/Belgrade
- Europe/Berlin
- Europe/Bratislava
- Europe/Brussels
- Europe/Budapest
- Europe/Busingen
- Europe/Copenhagen
- Europe/Gibraltar
- Europe/Ljubljana
- Europe/Luxembourg
- Europe/Madrid
- Europe/Malta
- Europe/Monaco
- Europe/Oslo
- Europe/Paris
- Europe/Podgorica
- Europe/Prague
- Europe/Rome
- Europe/San_Marino
- Europe/Sarajevo
- Europe/Skopje
- Europe/Stockholm
- Europe/Tirane
- Europe/Vaduz
- Europe/Vatican
- Europe/Vienna
- Europe/Warsaw
- Europe/Zagreb
- Europe/Zurich
- Poland
Time zones with the GMT +1 offset:
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Central European Time
Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Tunisia, Vatican City
Principal Cities: The largest city in the CET timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Algiers
German: MEZ - Mitteleuropäische Zeit
![GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (21) GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (21)](https://i0.wp.com/savvytime.com/images/timezone/cet.png)
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central European Summer Time (CEST).
End: Central European Time (CET) has ended on Sunday, March 31, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 31, 2024, 3:00 am local daylight time instead. Standard time ends annually the on last Sunday of March.
Start: Central European Time (CET) starts on Sunday, October 27, 2024 at 3:00 am local time and clocks are set one hour back to Sunday, October 27, 2024, 2:00 am. Standard time starts annually the on last Sunday of October.
CET representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +01 - basic short
- +0100 - basic
- +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Alpha - Military abbreviation for CET
- A - short form of 'Alpha'
IANA/Olson: Reflects CET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Africa/Algiers
- Africa/Ceuta
- Africa/Tunis
- Arctic/Longyearbyen
- Atlantic/Jan_Mayen
- CET
- Europe/Amsterdam
- Europe/Andorra
- Europe/Belgrade
- Europe/Berlin
- Europe/Bratislava
- Europe/Brussels
- Europe/Budapest
- Europe/Busingen
- Europe/Copenhagen
- Europe/Gibraltar
- Europe/Ljubljana
- Europe/Luxembourg
- Europe/Madrid
- Europe/Malta
- Europe/Monaco
- Europe/Oslo
- Europe/Paris
- Europe/Podgorica
- Europe/Prague
- Europe/Rome
- Europe/San_Marino
- Europe/Sarajevo
- Europe/Skopje
- Europe/Stockholm
- Europe/Tirane
- Europe/Vaduz
- Europe/Vatican
- Europe/Vienna
- Europe/Warsaw
- Europe/Zagreb
- Europe/Zurich
- Poland
Time zones with the GMT +1 offset:
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Central European Time
Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Tunisia, Vatican City
Principal Cities: The largest city in the CET timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Algiers
German: MEZ - Mitteleuropäische Zeit
![GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (24) GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (24)](https://i0.wp.com/savvytime.com/images/timezone/cet.png)
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central European Summer Time (CEST).
End: Central European Time (CET) has ended on Sunday, March 31, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 31, 2024, 3:00 am local daylight time instead. Standard time ends annually the on last Sunday of March.
Start: Central European Time (CET) starts on Sunday, October 27, 2024 at 3:00 am local time and clocks are set one hour back to Sunday, October 27, 2024, 2:00 am. Standard time starts annually the on last Sunday of October.
CET representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +01 - basic short
- +0100 - basic
- +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Alpha - Military abbreviation for CET
- A - short form of 'Alpha'
IANA/Olson: Reflects CET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Africa/Algiers
- Africa/Ceuta
- Africa/Tunis
- Arctic/Longyearbyen
- Atlantic/Jan_Mayen
- CET
- Europe/Amsterdam
- Europe/Andorra
- Europe/Belgrade
- Europe/Berlin
- Europe/Bratislava
- Europe/Brussels
- Europe/Budapest
- Europe/Busingen
- Europe/Copenhagen
- Europe/Gibraltar
- Europe/Ljubljana
- Europe/Luxembourg
- Europe/Madrid
- Europe/Malta
- Europe/Monaco
- Europe/Oslo
- Europe/Paris
- Europe/Podgorica
- Europe/Prague
- Europe/Rome
- Europe/San_Marino
- Europe/Sarajevo
- Europe/Skopje
- Europe/Stockholm
- Europe/Tirane
- Europe/Vaduz
- Europe/Vatican
- Europe/Vienna
- Europe/Warsaw
- Europe/Zagreb
- Europe/Zurich
- Poland
Time zones with the GMT +1 offset:
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Central European Time
Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Tunisia, Vatican City
Principal Cities: The largest city in the CET timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Algiers
German: MEZ - Mitteleuropäische Zeit
![GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (27) GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (27)](https://i0.wp.com/savvytime.com/images/timezone/cet.png)
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central European Summer Time (CEST).
End: Central European Time (CET) has ended on Sunday, March 31, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 31, 2024, 3:00 am local daylight time instead. Standard time ends annually the on last Sunday of March.
Start: Central European Time (CET) starts on Sunday, October 27, 2024 at 3:00 am local time and clocks are set one hour back to Sunday, October 27, 2024, 2:00 am. Standard time starts annually the on last Sunday of October.
CET representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +01 - basic short
- +0100 - basic
- +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Alpha - Military abbreviation for CET
- A - short form of 'Alpha'
IANA/Olson: Reflects CET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Africa/Algiers
- Africa/Ceuta
- Africa/Tunis
- Arctic/Longyearbyen
- Atlantic/Jan_Mayen
- CET
- Europe/Amsterdam
- Europe/Andorra
- Europe/Belgrade
- Europe/Berlin
- Europe/Bratislava
- Europe/Brussels
- Europe/Budapest
- Europe/Busingen
- Europe/Copenhagen
- Europe/Gibraltar
- Europe/Ljubljana
- Europe/Luxembourg
- Europe/Madrid
- Europe/Malta
- Europe/Monaco
- Europe/Oslo
- Europe/Paris
- Europe/Podgorica
- Europe/Prague
- Europe/Rome
- Europe/San_Marino
- Europe/Sarajevo
- Europe/Skopje
- Europe/Stockholm
- Europe/Tirane
- Europe/Vaduz
- Europe/Vatican
- Europe/Vienna
- Europe/Warsaw
- Europe/Zagreb
- Europe/Zurich
- Poland
Time zones with the GMT +1 offset:
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
![GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (30) GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (30)](https://i0.wp.com/savvytime.com/images/timezone/est.png)
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) has ended on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am. Standard time starts annually the on first Sunday of November.
EST representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -05 - basic short
- -0500 - basic
- -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
Time zones with the GMT -5 offset:
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: India
Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai
Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, India Standard Time remains the same
![GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (33) GMT to EST to ACST to ACST to MDT to MDT to CET to CET to CET to CET to EST to IST (33)](https://i0.wp.com/savvytime.com/images/timezone/ist.png)
IST representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +0530 - basic
- +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Asia/Calcutta
- Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- Iran Standard Time - UTC +3:30
EST to IST GMT to EST PST to EST EST to GMT PST to GMT