GMT to PDT Converter
The United Kingdom is on summer time: BST (UTC+1) until Sun, Oct 25.
Iceland and Ghana stay on GMT (UTC+0).
Quick answers
Selected conversion
12:00 pm12:00 GMT (UTC+0), Oct 8, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 8, 2026
GMT is 7 hours ahead of PDT.
GMT and PDT examples
These examples always use GMT (UTC+0) and PDT (UTC-7). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
GMT is 7 hours ahead of PDT.
How the time difference changes
For most of the year, GMT is 7 hours ahead of PDT. At other times of the year, 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 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 7 hours ahead of Pacific Daylight Time.
12:00 pm12:00 in GMT is 5:00 am05:00 in PDT
GMT to PDT 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 PDT
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
12:00 pm12:00 GMT / 5:00 am05:00 PDT
| GMT | PDT |
|---|---|
| 12:00am | 5:00pm |
| 1:00am | 6:00pm |
| 2:00am | 7:00pm |
| 3:00am | 8:00pm |
| 4:00am | 9:00pm |
| 5:00am | 10:00pm |
| 6:00am | 11:00pm |
| 7:00am | 12:00am |
| 8:00am | 1:00am |
| 9:00am | 2:00am |
| 10:00am | 3:00am |
| 11:00am | 4:00am |
| 12:00pm | 5:00am |
| 1:00pm | 6:00am |
| 2:00pm | 7:00am |
| 3:00pm | 8:00am |
| 4:00pm | 9:00am |
| 5:00pm | 10:00am |
| 6:00pm | 11:00am |
| 7:00pm | 12:00pm |
| 8:00pm | 1:00pm |
| 9:00pm | 2:00pm |
| 10:00pm | 3:00pm |
| 11:00pm | 4:00pm |
| 00:00 | 17:00 |
| 01:00 | 18:00 |
| 02:00 | 19:00 |
| 03:00 | 20:00 |
| 04:00 | 21:00 |
| 05:00 | 22:00 |
| 06:00 | 23:00 |
| 07:00 | 00:00 |
| 08:00 | 01:00 |
| 09:00 | 02:00 |
| 10:00 | 03:00 |
| 11:00 | 04:00 |
| 12:00 | 05:00 |
| 13:00 | 06:00 |
| 14:00 | 07:00 |
| 15:00 | 08:00 |
| 16:00 | 09:00 |
| 17:00 | 10:00 |
| 18:00 | 11:00 |
| 19:00 | 12:00 |
| 20:00 | 13:00 |
| 21:00 | 14:00 |
| 22:00 | 15:00 |
| 23:00 | 16:00 |
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
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 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 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 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 - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
Pacific Daylight Time
Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America
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

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
