GMT to San Francisco Time Converter
Convert Greenwich Mean Time to San Francisco instantly.
Scroll the timeline to check any hour of the day.
Greenwich Mean Time
GMT
9:31
San Francisco
PST
1:31
GMT and San Francisco are on daylight savings right now, shown as BST and PDT.
Search any city, build a custom world clock, and plan across more time zones and options in the FlutterTime app. Free.
How the GMT to San Francisco time difference works
San Francisco is 8 hours behind GMT. Greenwich Mean Time (GMT) is the time zone of the United Kingdom and Ireland. San Francisco (PST) is a city in United States. For example, 9:00 AM GMT is 1:00 AM San Francisco. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
8 hours
Daylight saving
Both observe
GMT offset
UTC+0
San Francisco offset
UTC-8
GMT to San Francisco conversion chart
| Greenwich Mean Time (GMT) | San Francisco (PST) |
|---|---|
| 12:00 AM | 4:00 PM -1 day |
| 1:00 AM | 5:00 PM -1 day |
| 2:00 AM | 6:00 PM -1 day |
| 3:00 AM | 7:00 PM -1 day |
| 4:00 AM | 8:00 PM -1 day |
| 5:00 AM | 9:00 PM -1 day |
| 6:00 AM | 10:00 PM -1 day |
| 7:00 AM | 11:00 PM -1 day |
| 8:00 AM | 12:00 AM |
| 9:00 AM | 1:00 AM |
| 10:00 AM | 2:00 AM |
| 11:00 AM | 3:00 AM |
| 12:00 PM | 4:00 AM |
| 1:00 PM | 5:00 AM |
| 2:00 PM | 6:00 AM |
| 3:00 PM | 7:00 AM |
| 4:00 PM | 8:00 AM |
| 5:00 PM | 9:00 AM |
| 6:00 PM | 10:00 AM |
| 7:00 PM | 11:00 AM |
| 8:00 PM | 12:00 PM |
| 9:00 PM | 1:00 PM |
| 10:00 PM | 2:00 PM |
| 11:00 PM | 3:00 PM |
Cities in each time zone
Greenwich Mean Time (GMT)
LondonDublinLisbonEdinburghManchester
San Francisco (PST)
Santa BarbaraSan DiegoSacramentoFresnoBakersfieldSanta Ana
GMT to San Francisco questions
Is San Francisco ahead of or behind GMT?
San Francisco is 8 hours behind GMT. So 9:00 AM GMT is 1:00 AM San Francisco, and 5:00 PM GMT is 9:00 AM San Francisco.
What time is it in San Francisco when it is 12:00 PM GMT?
When it is 12:00 PM (noon) GMT in Greenwich Mean Time, it is 4:00 AM San Francisco in San Francisco.
How many hours difference is there between GMT and San Francisco?
There is a 8 hours difference. San Francisco (PST) runs 8 hours behind Greenwich Mean Time (GMT).
Do GMT and San Francisco observe daylight saving time?
Both Greenwich Mean Time and San Francisco observe daylight saving time, but they switch on different dates, so the gap briefly shifts by an hour around the spring and autumn changeovers.
What is the best time to schedule a meeting between GMT and San Francisco?
A standard 9-to-5 workday in Greenwich Mean Time and San Francisco does not overlap, so pick the early morning in the later zone or the late evening in the earlier zone.
Which cities use GMT and San Francisco?
Greenwich Mean Time (GMT) covers cities such as London, Dublin, Lisbon, Edinburgh, Manchester. San Francisco (PST) covers cities such as Santa Barbara, San Diego, Sacramento, Fresno, Bakersfield, Santa Ana.