San Francisco to GMT Time ConverterFind the Best Time
Convert San Francisco to Greenwich Mean Time instantly.
Scroll the timeline to check any hour of the day.
San Francisco
PST
5:04
Greenwich Mean Time
GMT
1:04
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How the San Francisco to GMT time difference works
GMT is 8 hours ahead of San Francisco. San Francisco (PST) is a city in United States. Greenwich Mean Time (GMT) is the fixed UTC+0 reference time, used by the United Kingdom and Ireland in winter. For example, 9:00 AM San Francisco is 5:00 PM GMT. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
8 hours
Daylight saving
San Francisco only
San Francisco offset
UTC-8
GMT offset
UTC+0
San Francisco to GMT conversion chart
| San Francisco (PST) | Greenwich Mean Time (GMT) |
|---|---|
| 12:00 AM | 8:00 AM |
| 1:00 AM | 9:00 AM |
| 2:00 AM | 10:00 AM |
| 3:00 AM | 11:00 AM |
| 4:00 AM | 12:00 PM |
| 5:00 AM | 1:00 PM |
| 6:00 AM | 2:00 PM |
| 7:00 AM | 3:00 PM |
| 8:00 AM | 4:00 PM |
| 9:00 AM | 5:00 PM |
| 10:00 AM | 6:00 PM |
| 11:00 AM | 7:00 PM |
| 12:00 PM | 8:00 PM |
| 1:00 PM | 9:00 PM |
| 2:00 PM | 10:00 PM |
| 3:00 PM | 11:00 PM |
| 4:00 PM | 12:00 AM +1 day |
| 5:00 PM | 1:00 AM +1 day |
| 6:00 PM | 2:00 AM +1 day |
| 7:00 PM | 3:00 AM +1 day |
| 8:00 PM | 4:00 AM +1 day |
| 9:00 PM | 5:00 AM +1 day |
| 10:00 PM | 6:00 AM +1 day |
| 11:00 PM | 7:00 AM +1 day |
Cities in each time zone
San Francisco (PST)
Santa BarbaraSan DiegoSacramentoFresnoBakersfieldSanta Ana
Greenwich Mean Time (GMT)
LondonDublinLisbonEdinburghManchester
San Francisco to GMT questions
Is GMT ahead of or behind San Francisco?
GMT is 8 hours ahead of San Francisco. So 9:00 AM San Francisco is 5:00 PM GMT, and 5:00 PM San Francisco is 1:00 AM GMT.
What time is it in GMT when it is 12:00 PM San Francisco?
When it is 12:00 PM (noon) San Francisco in San Francisco, it is 8:00 PM GMT in Greenwich Mean Time.
How many hours difference is there between San Francisco and GMT?
There is a 8 hours difference. Greenwich Mean Time (GMT) runs 8 hours ahead of San Francisco (PST).
Do San Francisco and GMT observe daylight saving time?
San Francisco observes daylight saving time but Greenwich Mean Time does not, so the difference between them changes by an hour twice a year. The United Kingdom and Ireland use GMT only in winter; from late March to late October they switch to British Summer Time (BST), one hour ahead of GMT.
What is the best time to schedule a meeting between San Francisco and GMT?
A standard 9-to-5 workday in San Francisco and Greenwich Mean Time does not overlap, so pick the early morning in the later zone or the late evening in the earlier zone.
Which cities use San Francisco and GMT?
San Francisco (PST) covers cities such as Santa Barbara, San Diego, Sacramento, Fresno, Bakersfield, Santa Ana. Greenwich Mean Time (GMT) covers cities such as London, Dublin, Lisbon, Edinburgh, Manchester.