GMT to BST to EST to CT to PDT to MST Time Converter
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Selected conversion
12:00 pm12:00 GMT (UTC+0), Nov 9, 2026 = 12:00 pm12:00 GMT (UTC+0), Nov 9, 2026 = 7:00 am07:00 EST (UTC-5), Nov 9, 2026 = 6:00 am06:00 CT (UTC-6), Nov 9, 2026 = 4:00 am04:00 PST (UTC-8), Nov 9, 2026 = 5:00 am05:00 MST (UTC-7), Nov 9, 2026
GMT and GMT have the same local time. GMT is 5 hours ahead of EST. GMT is 6 hours ahead of CT. GMT is 8 hours ahead of PST. GMT is 7 hours ahead of MST.
How the time difference changes
GMT to BST
For most of the year, GMT is 1 hour behind BST. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, the GMT and BST converter rows show the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 10:00 am to 7:00 pm in BST. At other times of the year, working hours of 9:00 am to 6:00 pm on the GMT converter row correspond to 9:00 am to 6:00 pm on the BST converter row.For most of the year, working hours of 09:00 to 18:00 in GMT correspond to 10:00 to 19:00 in BST. At other times of the year, working hours of 09:00 to 18:00 on the GMT converter row correspond to 09:00 to 18:00 on the BST converter row.
GMT to EST
For most of the year, GMT is 4 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, GMT is 5 hours ahead of EST.
For most of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 5:00 am to 2:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 4:00 am to 1:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in GMT correspond to 05:00 to 14:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in GMT correspond to 04:00 to 13:00 in EST.
GMT to CT
For most of the year, GMT is 5 hours ahead of CT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, GMT is 6 hours ahead of CT.
For most of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 4:00 am to 1:00 pm in CT. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 3:00 am to 12:00 pm in CT.For most of the year, working hours of 09:00 to 18:00 in GMT correspond to 04:00 to 13:00 in CT. At other times of the year, working hours of 09:00 to 18:00 in GMT correspond to 03:00 to 12:00 in CT.
GMT to PDT
For most of the year, GMT is 7 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, GMT is 8 hours ahead of PST.
For most of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 2:00 am to 11:00 am in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 1:00 am to 10:00 am in PST.For most of the year, working hours of 09:00 to 18:00 in GMT correspond to 02:00 to 11:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in GMT correspond to 01:00 to 10:00 in PST.
GMT to MST
For most of the year, GMT is 6 hours ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, GMT is 7 hours ahead of MST.
For most of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 3:00 am to 12:00 pm in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 2:00 am to 11:00 am in MST.For most of the year, working hours of 09:00 to 18:00 in GMT correspond to 03:00 to 12:00 in MDT. At other times of the year, working hours of 09:00 to 18:00 in GMT correspond to 02:00 to 11:00 in MST.
Compare GMT time with BST, EST, CT, PDT, and MST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Greenwich Mean Time and Greenwich Mean Time have the same local time. Greenwich Mean Time is 5 hours ahead of Eastern Standard Time. Greenwich Mean Time is 6 hours ahead of Central Time. Greenwich Mean Time is 8 hours ahead of Pacific Standard Time. Greenwich Mean Time is 7 hours ahead of Mountain Standard Time.
12:00 pm12:00 in GMT is 12:00 pm12:00 in GMT and is 7:00 am07:00 in EST and is 6:00 am06:00 in CT and is 4:00 am04:00 in PST and is 5:00 am05:00 in MST
GMT to GMT call time
Best time for a conference call or a meeting is between 9am-6pm09:00-18:00 in GMT which corresponds to 9am-6pm09:00-18:00 in GMT.
GMT to EST call time
Best time for a conference call or a meeting is between 2pm-6pm14:00-18:00 in GMT which corresponds to 9am-1pm09:00-13:00 in EST.
GMT to CT call time
Best time for a conference call or a meeting is between 3pm-6pm15:00-18:00 in GMT which corresponds to 9am-12pm09:00-12:00 in CT.
GMT to PST call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in GMT which corresponds to 9am-10am09:00-10:00 in PST.
GMT to MST call time
Best time for a conference call or a meeting is between 4pm-6pm16:00-18:00 in GMT which corresponds to 9am-11am09:00-11:00 in MST.
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
6:00 am06:00 Central Time (CT). Offset UTC -6:00 hours
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
12:00 pm12:00 GMT / 12:00 pm12:00 GMT / 7:00 am07:00 EST / 6:00 am06:00 CT / 4:00 am04:00 PST / 5:00 am05:00 MST
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 | GMT | EST | CT | PST | MST |
|---|---|---|---|---|---|
| 12:00am | 7:00pm previous day | 6:00pm previous day | 4:00pm previous day | 5:00pm previous day | |
| 1:00am | 8:00pm previous day | 7:00pm previous day | 5:00pm previous day | 6:00pm previous day | |
| 2:00am | 9:00pm previous day | 8:00pm previous day | 6:00pm previous day | 7:00pm previous day | |
| 3:00am | 10:00pm previous day | 9:00pm previous day | 7:00pm previous day | 8:00pm previous day | |
| 4:00am | 11:00pm previous day | 10:00pm previous day | 8:00pm previous day | 9:00pm previous day | |
| 5:00am | 12:00am | 11:00pm previous day | 9:00pm previous day | 10:00pm previous day | |
| 6:00am | 1:00am | 12:00am | 10:00pm previous day | 11:00pm previous day | |
| 7:00am | 2:00am | 1:00am | 11:00pm previous day | 12:00am | |
| 8:00am | 3:00am | 2:00am | 12:00am | 1:00am | |
| 9:00am | 4:00am | 3:00am | 1:00am | 2:00am | |
| 10:00am | 5:00am | 4:00am | 2:00am | 3:00am | |
| 11:00am | 6:00am | 5:00am | 3:00am | 4:00am | |
| 12:00pm | 7:00am | 6:00am | 4:00am | 5:00am | |
| 1:00pm | 8:00am | 7:00am | 5:00am | 6:00am | |
| 2:00pm | 9:00am | 8:00am | 6:00am | 7:00am | |
| 3:00pm | 10:00am | 9:00am | 7:00am | 8:00am | |
| 4:00pm | 11:00am | 10:00am | 8:00am | 9:00am | |
| 5:00pm | 12:00pm | 11:00am | 9:00am | 10:00am | |
| 6:00pm | 1:00pm | 12:00pm | 10:00am | 11:00am | |
| 7:00pm | 2:00pm | 1:00pm | 11:00am | 12:00pm | |
| 8:00pm | 3:00pm | 2:00pm | 12:00pm | 1:00pm | |
| 9:00pm | 4:00pm | 3:00pm | 1:00pm | 2:00pm | |
| 10:00pm | 5:00pm | 4:00pm | 2:00pm | 3:00pm | |
| 11:00pm | 6:00pm | 5:00pm | 3:00pm | 4:00pm | |
| 00:00 | 19:00 previous day | 18:00 previous day | 16:00 previous day | 17:00 previous day | |
| 01:00 | 20:00 previous day | 19:00 previous day | 17:00 previous day | 18:00 previous day | |
| 02:00 | 21:00 previous day | 20:00 previous day | 18:00 previous day | 19:00 previous day | |
| 03:00 | 22:00 previous day | 21:00 previous day | 19:00 previous day | 20:00 previous day | |
| 04:00 | 23:00 previous day | 22:00 previous day | 20:00 previous day | 21:00 previous day | |
| 05:00 | 00:00 | 23:00 previous day | 21:00 previous day | 22:00 previous day | |
| 06:00 | 01:00 | 00:00 | 22:00 previous day | 23:00 previous day | |
| 07:00 | 02:00 | 01:00 | 23:00 previous day | 00:00 | |
| 08:00 | 03:00 | 02:00 | 00:00 | 01:00 | |
| 09:00 | 04:00 | 03:00 | 01:00 | 02:00 | |
| 10:00 | 05:00 | 04:00 | 02:00 | 03:00 | |
| 11:00 | 06:00 | 05:00 | 03:00 | 04:00 | |
| 12:00 | 07:00 | 06:00 | 04:00 | 05:00 | |
| 13:00 | 08:00 | 07:00 | 05:00 | 06:00 | |
| 14:00 | 09:00 | 08:00 | 06:00 | 07:00 | |
| 15:00 | 10:00 | 09:00 | 07:00 | 08:00 | |
| 16:00 | 11:00 | 10:00 | 08:00 | 09:00 | |
| 17:00 | 12:00 | 11:00 | 09:00 | 10:00 | |
| 18:00 | 13:00 | 12:00 | 10:00 | 11:00 | |
| 19:00 | 14:00 | 13:00 | 11:00 | 12:00 | |
| 20:00 | 15:00 | 14:00 | 12:00 | 13:00 | |
| 21:00 | 16:00 | 15:00 | 13:00 | 14:00 | |
| 22:00 | 17:00 | 16:00 | 14:00 | 15:00 | |
| 23:00 | 18:00 | 17:00 | 15:00 | 16:00 |
Greenwich Mean Time
Offset: GMT is the same as Greenwich Mean Time (GMT).
Countries using this time zone: Antarctica, Burkina Faso, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Togo, United Kingdom, Western Sahara
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, Casablanca, Dakar.
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.
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
British Summer Time
Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom
Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.
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.
Current time in the United Kingdom: UK time now
BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- 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).
Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, 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
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, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Eastern Standard Time (EST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
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 Time
Central Time (CT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.
Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.
Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States
Principal Cities: The largest city in the CT 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
CT 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 CT
- S - short form of 'Sierra'
- 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: 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
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, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 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, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
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
Mountain Standard Time
Offset: MST is 7 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the MST time zone is Phoenix in the United States, with about 1.65 million people. Other major cities in this time zone include Ciudad Juárez, Hermosillo, Culiacán, Denver.
French: HNR - Heure Normale des Rocheuses
Spanish: MT - Zona Pacífico
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Mountain Daylight Time (MDT).
Start: Mountain Standard Time (MST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Mountain Standard Time (MST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
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 an offset of seven hours 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
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
