time difference · live
San Francisco to London
+8h ahead in London. Bay Area to London standard tech-startup overlap.
PST/PDT ↔ GMT/BST
DST aware
business overlap chart
San Francisco
--:--
London
--:--
Business hours overlap (24h)
Top row: working hours (09:00–17:00) in San Francisco. Bottom row: working hours in London. Highlighted columns are when both cities are in business hours simultaneously.
UTC →
00
01
02
03
04
05
06
07
08
09
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San Francisco
00
01
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05
06
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08
09
10
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London
08
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23
00
01
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07
off-hours
one city working
both cities working
Why this pair matters
Bay Area to London standard tech-startup overlap. Crucial for distributed engineering teams. Only 1 hour of true overlap (08:00-09:00 PT = 16:00-17:00 GMT).
DST & offset notes
| Period | San Francisco (PST/PDT) | London (GMT/BST) | Difference |
|---|---|---|---|
| Standard time (winter) | PST | GMT | 8h offset |
| Daylight saving (summer) | PDT | BST | ~8h offset (varies during DST handover) |
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Related city pairs
london → berlin · new york → sydney · los angeles → london · san francisco → tokyo