GMT to CET to SGT to PDT Time Converter
The United Kingdom is on summer time: BST (UTC+1) until Sun, Oct 25.
Iceland and Ghana stay on GMT (UTC+0).
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12:30 pm12:30 GMT (UTC+0), Oct 15, 2026 = 2:30 pm14:30 CEST (UTC+2), Oct 15, 2026 = 8:30 pm20:30 SGT (UTC+8), Oct 15, 2026 = 5:30 am05:30 PDT (UTC-7), Oct 15, 2026
GMT is 2 hours behind CEST. GMT is 8 hours behind SGT. GMT is 7 hours ahead of PDT.
How the time difference changes
GMT to CET
For most of the year, GMT is 2 hours behind CEST. From Oct 25, 2026 to Mar 28, 2027, GMT is 1 hour behind CET.
For most of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 11:00 am to 8:00 pm in CEST. At other times 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 CET.For most of the year, working hours of 09:00 to 18:00 in GMT correspond to 11:00 to 20:00 in CEST. At other times of the year, working hours of 09:00 to 18:00 in GMT correspond to 10:00 to 19:00 in CET.
GMT to SGT
GMT is 8 hours behind SGT year-round.
Working hours of 9:00 am to 6:00 pm in GMT correspond to 5:00 pm to 2:00 am (next day) in SGT.Working hours of 09:00 to 18:00 in GMT correspond to 17:00 to 02:00 (next day) in SGT.
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 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.
Compare GMT time with CET, SGT, 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 2 hours behind Central European Summer Time. Greenwich Mean Time is 8 hours behind Singapore Time. Greenwich Mean Time is 7 hours ahead of Pacific Daylight Time.
12:30 pm12:30 in GMT is 2:30 pm14:30 in CEST and is 8:30 pm20:30 in SGT and is 5:30 am05:30 in PDT
GMT to CEST call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in GMT which corresponds to 11am-6pm11:00-18:00 in CEST
GMT to SGT call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in GMT which corresponds to 5pm-6pm17:00-18:00 in SGT
GMT to PDT 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 PDT
12:30 pm12:30 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
2:30 pm14:30 Central European Summer Time (CEST). Offset UTC +2:00 hours
8:30 pm20:30 Singapore Time (SGT). Offset UTC +8:00 hours
5:30 am05:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
12:30 pm12:30 GMT / 2:30 pm14:30 CEST / 8:30 pm20:30 SGT / 5:30 am05:30 PDT
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 | CEST | SGT | PDT |
|---|---|---|---|
| 2:00am | 8:00am | 5:00pm previous day | |
| 3:00am | 9:00am | 6:00pm previous day | |
| 4:00am | 10:00am | 7:00pm previous day | |
| 5:00am | 11:00am | 8:00pm previous day | |
| 6:00am | 12:00pm | 9:00pm previous day | |
| 7:00am | 1:00pm | 10:00pm previous day | |
| 8:00am | 2:00pm | 11:00pm previous day | |
| 9:00am | 3:00pm | 12:00am | |
| 10:00am | 4:00pm | 1:00am | |
| 11:00am | 5:00pm | 2:00am | |
| 12:00pm | 6:00pm | 3:00am | |
| 1:00pm | 7:00pm | 4:00am | |
| 2:00pm | 8:00pm | 5:00am | |
| 3:00pm | 9:00pm | 6:00am | |
| 4:00pm | 10:00pm | 7:00am | |
| 5:00pm | 11:00pm | 8:00am | |
| 6:00pm | 12:00am next day | 9:00am | |
| 7:00pm | 1:00am next day | 10:00am | |
| 8:00pm | 2:00am next day | 11:00am | |
| 9:00pm | 3:00am next day | 12:00pm | |
| 10:00pm | 4:00am next day | 1:00pm | |
| 11:00pm | 5:00am next day | 2:00pm | |
| 12:00am next day | 6:00am next day | 3:00pm | |
| 1:00am next day | 7:00am next day | 4:00pm | |
| 02:00 | 08:00 | 17:00 previous day | |
| 03:00 | 09:00 | 18:00 previous day | |
| 04:00 | 10:00 | 19:00 previous day | |
| 05:00 | 11:00 | 20:00 previous day | |
| 06:00 | 12:00 | 21:00 previous day | |
| 07:00 | 13:00 | 22:00 previous day | |
| 08:00 | 14:00 | 23:00 previous day | |
| 09:00 | 15:00 | 00:00 | |
| 10:00 | 16:00 | 01:00 | |
| 11:00 | 17:00 | 02:00 | |
| 12:00 | 18:00 | 03:00 | |
| 13:00 | 19:00 | 04:00 | |
| 14:00 | 20:00 | 05:00 | |
| 15:00 | 21:00 | 06:00 | |
| 16:00 | 22:00 | 07:00 | |
| 17:00 | 23:00 | 08:00 | |
| 18:00 | 00:00 next day | 09:00 | |
| 19:00 | 01:00 next day | 10:00 | |
| 20:00 | 02:00 next day | 11:00 | |
| 21:00 | 03:00 next day | 12:00 | |
| 22:00 | 04:00 next day | 13:00 | |
| 23:00 | 05:00 next day | 14:00 | |
| 00:00 next day | 06:00 next day | 15:00 | |
| 01:00 next day | 07:00 next day | 16:00 |
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.
Today the lighter areas are on UTC+1 (British Summer Time, Irish Standard Time).
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
Central European Time
Offset: CET is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Tunisia, Vatican City
Principal Cities: The largest city in the CET time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Algiers, Rome, Paris.
German: MEZ - Mitteleuropäische Zeit
Today the lighter areas are on UTC+2 (CEST).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central European Summer Time (CEST).
End: Central European Time (CET) ended on Sunday, March 29, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of March.
Start: Central European Time (CET) starts on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 2:00 am02:00. Standard time starts annually on the last Sunday of October.
CET 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 CET
- A - short form of 'Alpha'
- Africa/Algiers
- Africa/Ceuta
- Africa/Tunis
- Arctic/Longyearbyen
- Atlantic/Jan_Mayen
- CET
- Europe/Amsterdam
- Europe/Andorra
- Europe/Belgrade
- Europe/Berlin
- Europe/Bratislava
- Europe/Brussels
- Europe/Budapest
- Europe/Busingen
- Europe/Copenhagen
- Europe/Gibraltar
- Europe/Ljubljana
- Europe/Luxembourg
- Europe/Madrid
- Europe/Malta
- Europe/Monaco
- Europe/Oslo
- Europe/Paris
- Europe/Podgorica
- Europe/Prague
- Europe/Rome
- Europe/San_Marino
- Europe/Sarajevo
- Europe/Skopje
- Europe/Stockholm
- Europe/Tirane
- Europe/Vaduz
- Europe/Vatican
- Europe/Vienna
- Europe/Warsaw
- Europe/Zagreb
- Europe/Zurich
- MET
- Poland
- 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
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.
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
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
Today all shaded areas are on PDT.
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 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
End: Pacific Daylight Time (PDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are 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.
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