GMT to EST to CST to MDT to PDT Time Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
5:00 pm17:00 GMT (UTC+0), Nov 3, 2020 = 12:00 pm12:00 EST (UTC-5), Nov 3, 2020 = 11:00 am11:00 CST (UTC-6), Nov 3, 2020 = 10:00 am10:00 MST (UTC-7), Nov 3, 2020 = 9:00 am09:00 PST (UTC-8), Nov 3, 2020
GMT is 5 hours ahead of EST. GMT is 6 hours ahead of CST. GMT is 7 hours ahead of MST. GMT is 8 hours ahead of PST.
How the time difference changes
GMT to EST
For most of the year, GMT is 4 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, GMT is 5 hours ahead of EST.
For most of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 5:00 am to 1:00 pm in EDT. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 4:00 am to 12:00 pm in EST.For most of the year, working hours of 09:00 to 17:00 in GMT correspond to 05:00 to 13:00 in EDT. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 04:00 to 12:00 in EST.
GMT to CST
For most of the year, GMT is 5 hours ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, GMT is 6 hours ahead of CST.
For most of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 4:00 am to 12:00 pm in CDT. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 3:00 am to 11:00 am in CST.For most of the year, working hours of 09:00 to 17:00 in GMT correspond to 04:00 to 12:00 in CDT. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 03:00 to 11:00 in CST.
GMT to MDT
For most of the year, GMT is 6 hours ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, GMT is 7 hours ahead of MST.
For most of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 3:00 am to 11:00 am in MDT. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 2:00 am to 10:00 am in MST.For most of the year, working hours of 09:00 to 17:00 in GMT correspond to 03:00 to 11:00 in MDT. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 02:00 to 10:00 in MST.
GMT to PDT
For most of the year, GMT is 7 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, GMT is 8 hours ahead of PST.
For most of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 2:00 am to 10:00 am in PDT. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 1:00 am to 9:00 am in PST.For most of the year, working hours of 09:00 to 17:00 in GMT correspond to 02:00 to 10:00 in PDT. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 01:00 to 09:00 in PST.
Compare GMT time with EST, CST, 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 5 hours ahead of Eastern Standard Time. Greenwich Mean Time is 6 hours ahead of Central Standard Time. Greenwich Mean Time is 7 hours ahead of Mountain Standard Time. Greenwich Mean Time is 8 hours ahead of Pacific Standard Time.
5:00 pm17:00 in GMT is 12:00 pm12:00 in EST and is 11:00 am11:00 in CST and is 10:00 am10:00 in MST and is 9:00 am09:00 in PST
GMT to EST call time
Best time for a conference call or a meeting is between 2pm-5pm14:00-17:00 in GMT which corresponds to 9am-12pm09:00-12:00 in EST
GMT to CST call time
Best time for a conference call or a meeting is between 3pm-5pm15:00-17:00 in GMT which corresponds to 9am-11am09:00-11:00 in CST
GMT to MST call time
Best time for a conference call or a meeting is between 4pm-5pm16:00-17:00 in GMT which corresponds to 9am-10am09:00-10:00 in MST
GMT to PST call time
Best time for a conference call or a meeting is between 4:30pm-5:30pm16:30-17:30 in GMT which corresponds to 8:30am-9:30am08:30-09:30 in PST. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
5:00 pm17:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
12:00 pm12:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
11:00 am11:00 Central Standard Time (CST). Offset UTC -6:00 hours
10:00 am10:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
9:00 am09:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
5:00 pm17:00 GMT / 12:00 pm12:00 EST / 11:00 am11:00 CST / 10:00 am10:00 MST / 9:00 am09:00 PST
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| GMT | EST | CST | MST | PST |
|---|---|---|---|---|
| 7:00pm previous day | 6:00pm previous day | 5:00pm previous day | 4:00pm previous day | |
| 8:00pm previous day | 7:00pm previous day | 6:00pm previous day | 5:00pm previous day | |
| 9:00pm previous day | 8:00pm previous day | 7:00pm previous day | 6:00pm previous day | |
| 10:00pm previous day | 9:00pm previous day | 8:00pm previous day | 7:00pm previous day | |
| 11:00pm previous day | 10:00pm previous day | 9:00pm previous day | 8:00pm previous day | |
| 12:00am | 11:00pm previous day | 10:00pm previous day | 9:00pm previous day | |
| 1:00am | 12:00am | 11:00pm previous day | 10:00pm previous day | |
| 2:00am | 1:00am | 12:00am | 11:00pm previous day | |
| 3:00am | 2:00am | 1:00am | 12:00am | |
| 4:00am | 3:00am | 2:00am | 1:00am | |
| 5:00am | 4:00am | 3:00am | 2:00am | |
| 6:00am | 5:00am | 4:00am | 3:00am | |
| 7:00am | 6:00am | 5:00am | 4:00am | |
| 8:00am | 7:00am | 6:00am | 5:00am | |
| 9:00am | 8:00am | 7:00am | 6:00am | |
| 10:00am | 9:00am | 8:00am | 7:00am | |
| 11:00am | 10:00am | 9:00am | 8:00am | |
| 12:00pm | 11:00am | 10:00am | 9:00am | |
| 1:00pm | 12:00pm | 11:00am | 10:00am | |
| 2:00pm | 1:00pm | 12:00pm | 11:00am | |
| 3:00pm | 2:00pm | 1:00pm | 12:00pm | |
| 4:00pm | 3:00pm | 2:00pm | 1:00pm | |
| 5:00pm | 4:00pm | 3:00pm | 2:00pm | |
| 6:00pm | 5:00pm | 4:00pm | 3:00pm | |
| 19:00 previous day | 18:00 previous day | 17:00 previous day | 16:00 previous day | |
| 20:00 previous day | 19:00 previous day | 18:00 previous day | 17:00 previous day | |
| 21:00 previous day | 20:00 previous day | 19:00 previous day | 18:00 previous day | |
| 22:00 previous day | 21:00 previous day | 20:00 previous day | 19:00 previous day | |
| 23:00 previous day | 22:00 previous day | 21:00 previous day | 20:00 previous day | |
| 00:00 | 23:00 previous day | 22:00 previous day | 21:00 previous day | |
| 01:00 | 00:00 | 23:00 previous day | 22:00 previous day | |
| 02:00 | 01:00 | 00:00 | 23:00 previous day | |
| 03:00 | 02:00 | 01:00 | 00:00 | |
| 04:00 | 03:00 | 02:00 | 01:00 | |
| 05:00 | 04:00 | 03:00 | 02:00 | |
| 06:00 | 05:00 | 04:00 | 03:00 | |
| 07:00 | 06:00 | 05:00 | 04:00 | |
| 08:00 | 07:00 | 06:00 | 05:00 | |
| 09:00 | 08:00 | 07:00 | 06:00 | |
| 10:00 | 09:00 | 08:00 | 07:00 | |
| 11:00 | 10:00 | 09:00 | 08:00 | |
| 12:00 | 11:00 | 10:00 | 09:00 | |
| 13:00 | 12:00 | 11:00 | 10:00 | |
| 14:00 | 13:00 | 12:00 | 11:00 | |
| 15:00 | 14:00 | 13:00 | 12:00 | |
| 16:00 | 15:00 | 14:00 | 13:00 | |
| 17:00 | 16:00 | 15:00 | 14:00 | |
| 18:00 | 17:00 | 16:00 | 15:00 |
Greenwich Mean Time
Offset: GMT is the same as Greenwich Mean Time (GMT).
Countries using this time zone: 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 time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Dakar, Kumasi.
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 the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.
On November 3, 2020 some shaded areas are on UTC+1.
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 - Coordinated Universal Time
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
On November 3, 2020 some shaded areas are on UTC−6 (Central Standard Time).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
Start: Eastern Standard Time (EST) started on Sunday, November 1, 2020 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2020, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Eastern Standard Time (EST) ends on Sunday, March 14, 2021 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2021, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
EST 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 EST
- R - short form of 'Romeo'
- 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
- 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
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States
Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
On November 3, 2020 some shaded areas are on UTC−7 (MST).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central Daylight Time (CDT).
Start: Central Standard Time (CST) started on Sunday, November 1, 2020 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2020, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Central Standard Time (CST) ends on Sunday, March 14, 2021 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2021, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
CST 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 CST
- S - short form of 'Sierra'
- America/Bahia_Banderas
- America/Belize
- America/Chicago
- America/Chihuahua
- America/Costa_Rica
- America/El_Salvador
- America/Guatemala
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Managua
- America/Matamoros
- America/Menominee
- America/Merida
- America/Mexico_City
- America/Monterrey
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Regina
- America/Resolute
- America/Swift_Current
- America/Tegucigalpa
- America/Winnipeg
- CST6CDT
- Canada/Central
- Canada/Saskatchewan
- Mexico/General
- US/Central
- US/Indiana-Starke
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- 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).
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the MDT time zone is Ciudad Juárez in Mexico, with about 1.512 million people. Other major cities in this time zone include Calgary, Edmonton, Denver, El Paso.
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico
On November 3, 2020 the shaded areas are on UTC−7 (MST).
Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Mountain Standard Time (MST).
End: Mountain Daylight Time (MDT) ended on Sunday, November 1, 2020 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2020, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
Start: Mountain Daylight Time (MDT) starts on Sunday, March 14, 2021 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2021, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
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).
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 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.
French: HAP - Heure Avancée du Pacifique
Spanish: PT - Zona Noroeste
On November 3, 2020 the shaded areas are on UTC−8 (Pacific Standard Time).
Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Pacific Standard Time (PST).
End: Pacific Daylight Time (PDT) ended on Sunday, November 1, 2020 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2020, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
Start: Pacific Daylight Time (PDT) starts on Sunday, March 14, 2021 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2021, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
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