GST to PDT Converter
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Selected conversion
8:30 pm20:30 GST (UTC+4), Nov 1, 2026 = 8:30 am08:30 PST (UTC-8), Nov 1, 2026
GST is 12 hours ahead of PST.
GST and PDT examples
These examples always use GST (UTC+4) 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.
GST is 11 hours ahead of PDT.
How the time difference changes
For most of the year, GST is 11 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, GST is 12 hours ahead of PST.
For most of the year, working hours of 9:00 am to 6:00 pm in GST correspond to 10:00 pm (previous day) to 7:00 am in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in GST correspond to 9:00 pm (previous day) to 6:00 am in PST.For most of the year, working hours of 09:00 to 18:00 in GST correspond to 22:00 (previous day) to 07:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in GST correspond to 21:00 (previous day) to 06:00 in PST.
Compare GST time with PDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Gulf Standard Time is 12 hours ahead of Pacific Standard Time.
8:30 pm20:30 in GST is 8:30 am08:30 in PST
GST to PST call time
Best time for a conference call or a meeting is between 7pm-8pm19:00-20:00 in GST which corresponds to 7am-8am07:00-08:00 in PST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
8:30 pm20:30 Gulf Standard Time (GST). Offset UTC +4:00 hours
8:30 am08:30 Pacific Standard Time (PST). Offset UTC -8:00 hours
8:30 pm20:30 GST / 8:30 am08:30 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.
| GST | PST |
|---|---|
| 1:00pm previous day PDT UTC-7 | |
| 2:00pm previous day PDT UTC-7 | |
| 3:00pm previous day PDT UTC-7 | |
| 4:00pm previous day PDT UTC-7 | |
| 5:00pm previous day PDT UTC-7 | |
| 6:00pm previous day PDT UTC-7 | |
| 7:00pm previous day PDT UTC-7 | |
| 8:00pm previous day PDT UTC-7 | |
| 9:00pm previous day PDT UTC-7 | |
| 10:00pm previous day PDT UTC-7 | |
| 11:00pm previous day PDT UTC-7 | |
| 12:00am PDT UTC-7 | |
| 1:00am PDT UTC-7 | |
| 1:00am | |
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| 4:00am | |
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| 7:00am | |
| 8:00am | |
| 9:00am | |
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| 11:00am | |
| 13:00 previous day PDT UTC-7 | |
| 14:00 previous day PDT UTC-7 | |
| 15:00 previous day PDT UTC-7 | |
| 16:00 previous day PDT UTC-7 | |
| 17:00 previous day PDT UTC-7 | |
| 18:00 previous day PDT UTC-7 | |
| 19:00 previous day PDT UTC-7 | |
| 20:00 previous day PDT UTC-7 | |
| 21:00 previous day PDT UTC-7 | |
| 22:00 previous day PDT UTC-7 | |
| 23:00 previous day PDT UTC-7 | |
| 00:00 PDT UTC-7 | |
| 01:00 PDT UTC-7 | |
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| 11:00 |
Gulf Standard Time
Offset: GST is 4 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Oman, United Arab Emirates
Principal Cities: The largest city in the GST time zone is Dubai in the United Arab Emirates, with about 3.79 million people. Other major cities in this time zone include Abu Dhabi, Sharjah, Al Ain City, Muscat.
Daylight Saving: Clocks in Gulf Standard Time (GST) do not change for daylight saving time, so GST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
GST representations, usage and related time zones
- +04 - basic short
- +0400 - basic
- +04:00 - extended
- +0400 - sign character (+) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the east of the zero meridian.
- Delta - Military abbreviation for GST
- D - short form of 'Delta'
- KUYT - Kuybyshev Time
- MSD - Moscow Daylight Time
- SAMT - Samara Time
- AMT - Armenia Time
- AZT - Azerbaijan Time
- D - Delta Time Zone
- GET - Georgia Standard Time
- GST - Gulf Standard Time
- MUT - Mauritius Time
- RET - Reunion Time
- SCT - Seychelles Time
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
Today 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, 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