San Francisco to GMT Time Converter
Convert San Francisco to Greenwich Mean Time instantly.
Scroll the timeline to check any hour of the day.
San Francisco
PST
12:17
Greenwich Mean Time
GMT
8:17
San Francisco and GMT are on daylight savings right now, shown as PDT and BST.
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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 time zone of the United Kingdom and Ireland. 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
Both observe
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?
Both San Francisco and Greenwich Mean Time 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 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.