GMT to MST to PDT
Time Difference
Greenwich Mean Time is 6 hours ahead of Mountain Daylight Time and 7 hours ahead of Pacific Daylight Time
11:00 pm23:00 in GMT is 5:00 pm17:00 in MDT and is 4:00 pm16:00 in PDT
GMT to MST call time
Best time for a conference call or a meeting is between 3pm-6pm in GMT which corresponds to 8am-11am in MST
GMT to PDT call time
Best time for a conference call or a meeting is between 3pm-6pm in GMT which corresponds to 8am-11am in PDT
11:00 pm23:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
5:00 pm17:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
4:00 pm16:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
11:00 pm23:00 GMT / 5:00 pm17:00 MDT / 4:00 pm16:00 PDT
| GMT | MDT | PDT |
|---|---|---|
| 12am (midnight) | 6pm | 5pm |
| 1am | 7pm | 6pm |
| 2am | 8pm | 7pm |
| 3am | 9pm | 8pm |
| 4am | 10pm | 9pm |
| 5am | 11pm | 10pm |
| 6am | 12am (midnight) | 11pm |
| 7am | 1am | 12am (midnight) |
| 8am | 2am | 1am |
| 9am | 3am | 2am |
| 10am | 4am | 3am |
| 11am | 5am | 4am |
| 12pm (noon) | 6am | 5am |
| 1pm | 7am | 6am |
| 2pm | 8am | 7am |
| 3pm | 9am | 8am |
| 4pm | 10am | 9am |
| 5pm | 11am | 10am |
| 6pm | 12pm (noon) | 11am |
| 7pm | 1pm | 12pm (noon) |
| 8pm | 2pm | 1pm |
| 9pm | 3pm | 2pm |
| 10pm | 4pm | 3pm |
| 11pm | 5pm | 4pm |
| 0:00 | 18:00 | 17:00 |
| 1:00 | 19:00 | 18:00 |
| 2:00 | 20:00 | 19:00 |
| 3:00 | 21:00 | 20:00 |
| 4:00 | 22:00 | 21:00 |
| 5:00 | 23:00 | 22:00 |
| 6:00 | 0:00 | 23:00 |
| 7:00 | 1:00 | 0:00 |
| 8:00 | 2:00 | 1:00 |
| 9:00 | 3:00 | 2:00 |
| 10:00 | 4:00 | 3:00 |
| 11:00 | 5:00 | 4:00 |
| 12:00 | 6:00 | 5:00 |
| 13:00 | 7:00 | 6:00 |
| 14:00 | 8:00 | 7:00 |
| 15:00 | 9:00 | 8:00 |
| 16:00 | 10:00 | 9:00 |
| 17:00 | 11:00 | 10:00 |
| 18:00 | 12:00 | 11:00 |
| 19:00 | 13:00 | 12:00 |
| 20:00 | 14:00 | 13:00 |
| 21:00 | 15:00 | 14:00 |
| 22:00 | 16:00 | 15:00 |
| 23:00 | 17:00 | 16:00 |
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 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 zero hour and zero minutes time differences of the zero meridian.
- 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
- Greenwich Mean Time - UTC +0
- GMT+03:00 - UTC +3
- GMT - UTC +1
- GMT+11:00 - UTC +11
- GMT-01:00 - UTC -1
- 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
Mountain Standard Time
Offset: MST is 7 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 MST timezone is Phoenix from USA with population about 1.446 million people. Other major cities in the area are Calgary, Edmonton, El Paso, Denver
French: HNR - Heure Normale des Rocheuses
Spanish: MT - Zona Pacífico
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 Mountain Daylight Time (MDT).
End: Mountain Standard Time (MST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Mountain Standard Time (MST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
MST 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 seven hour and zero minutes time differences to the west of the zero meridian.
- Tango - Military abbreviation for MST
- T - short form of 'Tango'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Creston
- America/Dawson
- America/Dawson_Creek
- America/Denver
- America/Edmonton
- America/Fort_Nelson
- America/Hermosillo
- America/Inuvik
- America/Mazatlan
- America/Phoenix
- America/Shiprock
- America/Whitehorse
- America/Yellowknife
- Canada/Mountain
- Canada/Yukon
- MST
- MST7MDT
- Mexico/BajaSur
- Navajo
- US/Arizona
- US/Mountain
- Mountain Standard Time - UTC -7
- Moscow Standard Time - UTC +3
- Mauritius Standard Time - UTC +4
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
Pacific Daylight Time
Offset: PDT is 7 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 PDT timezone is Los Angeles from USA with population about 3.793 million people. Other major cities in the area are 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 timezone, however during winter some places switch clocks for one hour back and observe Pacific Standard Time (PST).
Start: Pacific Daylight Time (PDT) started on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Pacific Daylight Time (PDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on 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 seven hour and zero minutes time differences 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