GMT to EDT to CDT to MDT to PDT
Compare GMT time with EDT, CDT, MDT, and PDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Greenwich Mean Time is 4 hours ahead of Eastern Daylight Time and 5 hours ahead of Central Daylight Time and 6 hours ahead of Mountain Daylight Time and 7 hours ahead of Pacific Daylight Time
5:00 pm17:00 in GMT is 1:00 pm13:00 in EDT and is 12:00 pm12:00 in CDT and is 11:00 am11:00 in MDT and is 10:00 am10:00 in PDT
GMT to EDT call time
Best time for a conference call or a meeting is between 1pm-5pm in GMT which corresponds to 9am-1pm in EDT
GMT to CDT call time
Best time for a conference call or a meeting is between 2pm-5pm in GMT which corresponds to 9am-12pm in CDT
GMT to MDT call time
Best time for a conference call or a meeting is between 3pm-5pm in GMT which corresponds to 9am-11am in MDT
GMT to PDT call time
Best time for a conference call or a meeting is between 4pm-5pm in GMT which corresponds to 9am-10am in PDT
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
12:00 pm12:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
11:00 am11:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
10:00 am10:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
5:00 pm17:00 GMT / 1:00 pm13:00 EDT / 12:00 pm12:00 CDT / 11:00 am11:00 MDT / 10:00 am10:00 PDT
| GMT | EDT | CDT | MDT | PDT |
|---|---|---|---|---|
| 12am (midnight) | 8pm | 7pm | 6pm | 5pm |
| 1am | 9pm | 8pm | 7pm | 6pm |
| 2am | 10pm | 9pm | 8pm | 7pm |
| 3am | 11pm | 10pm | 9pm | 8pm |
| 4am | 12am (midnight) | 11pm | 10pm | 9pm |
| 5am | 1am | 12am (midnight) | 11pm | 10pm |
| 6am | 2am | 1am | 12am (midnight) | 11pm |
| 7am | 3am | 2am | 1am | 12am (midnight) |
| 8am | 4am | 3am | 2am | 1am |
| 9am | 5am | 4am | 3am | 2am |
| 10am | 6am | 5am | 4am | 3am |
| 11am | 7am | 6am | 5am | 4am |
| 12pm (noon) | 8am | 7am | 6am | 5am |
| 1pm | 9am | 8am | 7am | 6am |
| 2pm | 10am | 9am | 8am | 7am |
| 3pm | 11am | 10am | 9am | 8am |
| 4pm | 12pm (noon) | 11am | 10am | 9am |
| 5pm | 1pm | 12pm (noon) | 11am | 10am |
| 6pm | 2pm | 1pm | 12pm (noon) | 11am |
| 7pm | 3pm | 2pm | 1pm | 12pm (noon) |
| 8pm | 4pm | 3pm | 2pm | 1pm |
| 9pm | 5pm | 4pm | 3pm | 2pm |
| 10pm | 6pm | 5pm | 4pm | 3pm |
| 11pm | 7pm | 6pm | 5pm | 4pm |
| 00:00 | 20:00 | 19:00 | 18:00 | 17:00 |
| 01:00 | 21:00 | 20:00 | 19:00 | 18:00 |
| 02:00 | 22:00 | 21:00 | 20:00 | 19:00 |
| 03:00 | 23:00 | 22:00 | 21:00 | 20:00 |
| 04:00 | 00:00 | 23:00 | 22:00 | 21:00 |
| 05:00 | 01:00 | 00:00 | 23:00 | 22:00 |
| 06:00 | 02:00 | 01:00 | 00:00 | 23:00 |
| 07:00 | 03:00 | 02:00 | 01:00 | 00:00 |
| 08:00 | 04:00 | 03:00 | 02:00 | 01:00 |
| 09:00 | 05:00 | 04:00 | 03:00 | 02:00 |
| 10:00 | 06:00 | 05:00 | 04:00 | 03:00 |
| 11:00 | 07:00 | 06:00 | 05:00 | 04:00 |
| 12:00 | 08:00 | 07:00 | 06:00 | 05:00 |
| 13:00 | 09:00 | 08:00 | 07:00 | 06:00 |
| 14:00 | 10:00 | 09:00 | 08:00 | 07:00 |
| 15:00 | 11:00 | 10:00 | 09:00 | 08:00 |
| 16:00 | 12:00 | 11:00 | 10:00 | 09:00 |
| 17:00 | 13:00 | 12:00 | 11:00 | 10:00 |
| 18:00 | 14:00 | 13:00 | 12:00 | 11:00 |
| 19:00 | 15:00 | 14:00 | 13:00 | 12:00 |
| 20:00 | 16:00 | 15:00 | 14:00 | 13:00 |
| 21:00 | 17:00 | 16:00 | 15:00 | 14:00 |
| 22:00 | 18:00 | 17:00 | 16:00 | 15:00 |
| 23:00 | 19:00 | 18:00 | 17:00 | 16:00 |
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Burkina Faso, Côte d'Ivoire, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Iceland, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo
Principal Cities: The largest city in the GMT time zone is Abidjan in Ivory Coast, with about 3.677 million people. Other major cities in this time zone include Dakar, Grand Dakar, Accra, Camayenne.
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 representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
- 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
- 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 Daylight Time
Offset: EDT is 4 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Bahamas, Canada, Haiti, Turks & Caicos Is, United States
Principal Cities: The largest city in the EDT time zone is New York City in the United States, with about 8.175 million people. Other major cities in this time zone include Toronto, Montreal, Brooklyn, Borough of Queens.
French: HAE - Heure Avancée de l'Est
Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste

Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Eastern Standard Time (EST).
Start: Eastern Daylight Time (EDT) started on Sunday, March 12, 2017 at 2:00 am local time and clocks were set one hour forward to Sunday, March 12, 2017, 3:00 am. Daylight saving starts annually on the second Sunday of March
End: Eastern Daylight Time (EDT) ends on Sunday, November 5, 2017 at 2:00 am local time and clocks are set one hour back to Sunday, November 5, 2017, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November
EDT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
- Quebec - Military abbreviation for EDT
- Q - short form of 'Quebec'
- 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/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST5EDT
- US/East-Indiana
- US/Eastern
- US/Michigan
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- FKT - Falkland Island Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- PYT - Paraguay Time
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
Central Daylight Time
Offset: CDT is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the CDT time zone is Chicago in the United States, with about 2.696 million people. Other major cities in this time zone include Houston, Ciudad Juarez, San Antonio, Dallas.
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro

Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Central Standard Time (CST).
Start: Central Daylight Time (CDT) started on Sunday, March 12, 2017 at 2:00 am local time and clocks were set one hour forward to Sunday, March 12, 2017, 3:00 am. Daylight saving starts annually on the second Sunday of March
End: Central Daylight Time (CDT) ends on Sunday, November 5, 2017 at 2:00 am local time and clocks are set one hour back to Sunday, November 5, 2017, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November
CDT representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for CDT
- R - short form of 'Romeo'
- America/Chicago
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Matamoros
- America/Menominee
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Resolute
- America/Winnipeg
- CST6CDT
- Canada/Central
- US/Central
- US/Indiana-Starke
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
- 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
Mountain Daylight Time
Offset: MDT is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the MDT time zone is Calgary in Canada, with about 1.02 million people. Other major cities in this time zone include Edmonton, El Paso, Denver, Albuquerque.
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico

Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Mountain Standard Time (MST).
Start: Mountain Daylight Time (MDT) started on Sunday, March 12, 2017 at 2:00 am local time and clocks were set one hour forward to Sunday, March 12, 2017, 3:00 am. Daylight saving starts annually on the second Sunday of March
End: Mountain Daylight Time (MDT) ends on Sunday, November 5, 2017 at 2:00 am local time and clocks are set one hour back to Sunday, November 5, 2017, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November
MDT representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
- Sierra - Military abbreviation for MDT
- S - short form of 'Sierra'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Denver
- America/Edmonton
- America/Inuvik
- America/Shiprock
- America/Yellowknife
- Canada/Mountain
- MST7MDT
- Navajo
- US/Mountain
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Pacific Daylight Time
Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the PDT time zone is Los Angeles in the United States, with about 3.793 million people. Other major cities in this time zone include Vancouver, Tijuana, San Diego, San Jose.
French: HAP - Heure Avancée du Pacifique
Spanish: PT - Zona Noroeste

Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Pacific Standard Time (PST).
Start: Pacific Daylight Time (PDT) started on Sunday, March 12, 2017 at 2:00 am local time and clocks were set one hour forward to Sunday, March 12, 2017, 3:00 am. Daylight saving starts annually on the second Sunday of March
End: Pacific Daylight Time (PDT) ends on Sunday, November 5, 2017 at 2:00 am local time and clocks are set one hour back to Sunday, November 5, 2017, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November
PDT representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
- Tango - Military abbreviation for PDT
- T - short form of 'Tango'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
