EST to Lagos to PST to CST to MST to SGT to GMT Time Converter
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7:00 am07:00 EST (UTC-5), Nov 3, 2026 = 1:00 pm13:00 WAT (UTC+1), Nov 3, 2026 = 4:00 am04:00 PST (UTC-8), Nov 3, 2026 = 6:00 am06:00 CST (UTC-6), Nov 3, 2026 = 5:00 am05:00 MST (UTC-7), Nov 3, 2026 = 8:00 pm20:00 SGT (UTC+8), Nov 3, 2026 = 12:00 pm12:00 GMT (UTC+0), Nov 3, 2026
EST is 6 hours behind Lagos. EST is 3 hours ahead of PST. EST is 1 hour ahead of CST. EST is 2 hours ahead of MST. EST is 13 hours behind SGT. EST is 5 hours behind GMT.
How the time difference changes
EST to Lagos
For most of the year, EDT is 5 hours behind Lagos. From Nov 1, 2026 to Mar 14, 2027, EST is 6 hours behind Lagos.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 2:00 pm to 11:00 pm in Lagos. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 3:00 pm to 12:00 am (next day) in Lagos.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 14:00 to 23:00 in Lagos. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 15:00 to 00:00 (next day) in Lagos.
EST to PST
For most of the year, EDT is 3 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, EST is 3 hours ahead of PST. Briefly around clock changes, EDT is 4 hours ahead of PST or EST is 2 hours ahead of PDT.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 6:00 am to 3:00 pm in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 6:00 am to 3:00 pm in PST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 06:00 to 15:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 06:00 to 15:00 in PST.
EST to CST
For most of the year, EDT is 1 hour ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, EST is 1 hour ahead of CST. Briefly around clock changes, EDT is 2 hours ahead of CST or EST and CDT have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 8:00 am to 5:00 pm in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 8:00 am to 5:00 pm in CST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 08:00 to 17:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 08:00 to 17:00 in CST.
EST to MST
For most of the year, EDT is 2 hours ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, EST is 2 hours ahead of MST. Briefly around clock changes, EDT is 3 hours ahead of MST or EST is 1 hour ahead of MDT.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 7:00 am to 4:00 pm in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 7:00 am to 4:00 pm in MST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 07:00 to 16:00 in MDT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 07:00 to 16:00 in MST.
EST to SGT
For most of the year, EDT is 12 hours behind SGT. From Nov 1, 2026 to Mar 14, 2027, EST is 13 hours behind SGT.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 9:00 pm to 6:00 am (next day) in SGT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 10:00 pm to 7:00 am (next day) in SGT.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 21:00 to 06:00 (next day) in SGT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 22:00 to 07:00 (next day) in SGT.
EST to GMT
For most of the year, EDT is 4 hours behind GMT. From Nov 1, 2026 to Mar 14, 2027, EST is 5 hours behind GMT.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 1:00 pm to 10:00 pm in GMT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 2:00 pm to 11:00 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 13:00 to 22:00 in GMT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 14:00 to 23:00 in GMT.
Compare EST time with Lagos, PST, CST, MST, SGT, and GMT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Eastern Standard Time is 6 hours behind WAT (West Africa Time). Eastern Standard Time is 3 hours ahead of Pacific Standard Time. Eastern Standard Time is 1 hour ahead of Central Standard Time. Eastern Standard Time is 2 hours ahead of Mountain Standard Time. Eastern Standard Time is 13 hours behind Singapore Time. Eastern Standard Time is 5 hours behind Greenwich Mean Time.
7:00 am07:00 in EST is 1:00 pm13:00 in Lagos, Nigeria and is 4:00 am04:00 in PST and is 6:00 am06:00 in CST and is 5:00 am05:00 in MST and is 8:00 pm20:00 in SGT and is 12:00 pm12:00 in GMT
EST to Lagos call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in EST which corresponds to 3pm-6pm15:00-18:00 in Lagos
EST to PST call time
Best time for a conference call or a meeting is between 12pm-6pm12:00-18:00 in EST which corresponds to 9am-3pm09:00-15:00 in PST
EST to CST call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in EST which corresponds to 9am-5pm09:00-17:00 in CST
EST to MST call time
Best time for a conference call or a meeting is between 11am-6pm11:00-18:00 in EST which corresponds to 9am-4pm09:00-16:00 in MST
EST to SGT call time
Best time for a conference call or a meeting is between 6:30pm-7:30pm18:30-19:30 in EST which corresponds to 7:30am-8:30am07:30-08:30 in SGT (next day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
EST to GMT call time
Best time for a conference call or a meeting is between 9am-1pm09:00-13:00 in EST which corresponds to 2pm-6pm14:00-18:00 in GMT
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
1:00 pm13:00 WAT (West Africa Time) (Lagos, Nigeria). Offset UTC +1:00 hour
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
8:00 pm20:00 Singapore Time (SGT). Offset UTC +8:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
7:00 am07:00 EST / 1:00 pm13:00 Lagos, Nigeria / 4:00 am04:00 PST / 6:00 am06:00 CST / 5:00 am05:00 MST / 8:00 pm20:00 SGT / 12:00 pm12:00 GMT
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.
| EST | Lagos, Nigeria | PST | CST | MST | SGT | GMT |
|---|---|---|---|---|---|---|
| 6:00am | 9:00pm previous day | 11:00pm previous day | 10:00pm previous day | 1:00pm | 5:00am | |
| 7:00am | 10:00pm previous day | 12:00am | 11:00pm previous day | 2:00pm | 6:00am | |
| 8:00am | 11:00pm previous day | 1:00am | 12:00am | 3:00pm | 7:00am | |
| 9:00am | 12:00am | 2:00am | 1:00am | 4:00pm | 8:00am | |
| 10:00am | 1:00am | 3:00am | 2:00am | 5:00pm | 9:00am | |
| 11:00am | 2:00am | 4:00am | 3:00am | 6:00pm | 10:00am | |
| 12:00pm | 3:00am | 5:00am | 4:00am | 7:00pm | 11:00am | |
| 1:00pm | 4:00am | 6:00am | 5:00am | 8:00pm | 12:00pm | |
| 2:00pm | 5:00am | 7:00am | 6:00am | 9:00pm | 1:00pm | |
| 3:00pm | 6:00am | 8:00am | 7:00am | 10:00pm | 2:00pm | |
| 4:00pm | 7:00am | 9:00am | 8:00am | 11:00pm | 3:00pm | |
| 5:00pm | 8:00am | 10:00am | 9:00am | 12:00am next day | 4:00pm | |
| 6:00pm | 9:00am | 11:00am | 10:00am | 1:00am next day | 5:00pm | |
| 7:00pm | 10:00am | 12:00pm | 11:00am | 2:00am next day | 6:00pm | |
| 8:00pm | 11:00am | 1:00pm | 12:00pm | 3:00am next day | 7:00pm | |
| 9:00pm | 12:00pm | 2:00pm | 1:00pm | 4:00am next day | 8:00pm | |
| 10:00pm | 1:00pm | 3:00pm | 2:00pm | 5:00am next day | 9:00pm | |
| 11:00pm | 2:00pm | 4:00pm | 3:00pm | 6:00am next day | 10:00pm | |
| 12:00am next day | 3:00pm | 5:00pm | 4:00pm | 7:00am next day | 11:00pm | |
| 1:00am next day | 4:00pm | 6:00pm | 5:00pm | 8:00am next day | 12:00am next day | |
| 2:00am next day | 5:00pm | 7:00pm | 6:00pm | 9:00am next day | 1:00am next day | |
| 3:00am next day | 6:00pm | 8:00pm | 7:00pm | 10:00am next day | 2:00am next day | |
| 4:00am next day | 7:00pm | 9:00pm | 8:00pm | 11:00am next day | 3:00am next day | |
| 5:00am next day | 8:00pm | 10:00pm | 9:00pm | 12:00pm next day | 4:00am next day | |
| 06:00 | 21:00 previous day | 23:00 previous day | 22:00 previous day | 13:00 | 05:00 | |
| 07:00 | 22:00 previous day | 00:00 | 23:00 previous day | 14:00 | 06:00 | |
| 08:00 | 23:00 previous day | 01:00 | 00:00 | 15:00 | 07:00 | |
| 09:00 | 00:00 | 02:00 | 01:00 | 16:00 | 08:00 | |
| 10:00 | 01:00 | 03:00 | 02:00 | 17:00 | 09:00 | |
| 11:00 | 02:00 | 04:00 | 03:00 | 18:00 | 10:00 | |
| 12:00 | 03:00 | 05:00 | 04:00 | 19:00 | 11:00 | |
| 13:00 | 04:00 | 06:00 | 05:00 | 20:00 | 12:00 | |
| 14:00 | 05:00 | 07:00 | 06:00 | 21:00 | 13:00 | |
| 15:00 | 06:00 | 08:00 | 07:00 | 22:00 | 14:00 | |
| 16:00 | 07:00 | 09:00 | 08:00 | 23:00 | 15:00 | |
| 17:00 | 08:00 | 10:00 | 09:00 | 00:00 next day | 16:00 | |
| 18:00 | 09:00 | 11:00 | 10:00 | 01:00 next day | 17:00 | |
| 19:00 | 10:00 | 12:00 | 11:00 | 02:00 next day | 18:00 | |
| 20:00 | 11:00 | 13:00 | 12:00 | 03:00 next day | 19:00 | |
| 21:00 | 12:00 | 14:00 | 13:00 | 04:00 next day | 20:00 | |
| 22:00 | 13:00 | 15:00 | 14:00 | 05:00 next day | 21:00 | |
| 23:00 | 14:00 | 16:00 | 15:00 | 06:00 next day | 22:00 | |
| 00:00 next day | 15:00 | 17:00 | 16:00 | 07:00 next day | 23:00 | |
| 01:00 next day | 16:00 | 18:00 | 17:00 | 08:00 next day | 00:00 next day | |
| 02:00 next day | 17:00 | 19:00 | 18:00 | 09:00 next day | 01:00 next day | |
| 03:00 next day | 18:00 | 20:00 | 19:00 | 10:00 next day | 02:00 next day | |
| 04:00 next day | 19:00 | 21:00 | 20:00 | 11:00 next day | 03:00 next day | |
| 05:00 next day | 20:00 | 22:00 | 21:00 | 12:00 next day | 04:00 next day |
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
Today all shaded areas are on EST.
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
Lagos Time Zone and Facts
Time Zone
Lagos Facts
Pacific Standard Time
Offset: PST is 8 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Mexico, United States
Principal Cities: The largest city in the PST 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: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
Today all shaded areas are on PST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).
Start: Pacific Standard Time (PST) 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: Pacific Standard Time (PST) 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.
PST representations, usage and related time zones
- -08 - basic short
- -0800 - basic
- -08:00 - extended
- -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the west of the zero meridian.
- Uniform - Military abbreviation for PST
- U - short form of 'Uniform'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- Pacific Standard Time - UTC -8
- Pitcairn Standard Time - UTC -8
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, 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
Today all shaded areas are on CST.
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, 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: Central Standard Time (CST) 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.
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 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
Today all shaded areas are on MST.
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
Singapore Time
Offset: SGT is 8 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Singapore
Principal Cities: The largest city in the SGT time zone is Singapore in Singapore, with about 5.639 million people.
Daylight Saving: Clocks in Singapore Time (SGT) do not change for daylight saving time, so SGT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
Current time in Singapore: Singapore time now
SGT representations, usage and related time zones
- +08 - basic short
- +0800 - basic
- +08:00 - extended
- +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the east of the zero meridian.
- Hotel - Military abbreviation for SGT
- H - short form of 'Hotel'
- ACT - ASEAN Common Time
- AWST - Australian Western Standard Time
- BNT - Brunei Darussalam Time
- CAST - Casey Time
- CHOT - Choibalsan Time
- CST - China Standard Time
- H - Hotel Time Zone
- HKT - Hong Kong Time
- HOVST - Hovd Summer Time
- IRKT - Irkutsk Time
- KRAST - Krasnoyarsk Summer Time
- MYT - Malaysia Time
- PHT - Philippine Time
- SGT - Singapore Time
- ULAT - Ulaanbaatar Time
- WITA - Central Indonesian Time
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.
Today all shaded areas are on GMT.
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