San Francisco×London
When the world meets at work.
Read the day in both zones.
If it's this in San Francisco, it's that in London.
When it's 8:00 am in San Francisco, it's 4:00 pm in London — afternoon there, the same day.
When it's 10:00 am in San Francisco, it's 6:00 pm in London — evening there, the same day.
When it's 12:00 pm in San Francisco, it's 8:00 pm in London — evening there, the same day.
When it's 3:00 pm in San Francisco, it's 11:00 pm in London — night there, the same day.
When it's 5:00 pm in San Francisco, it's 1:00 am in London — late night there, the next day.
When it's 9:00 pm in San Francisco, it's 5:00 am in London — morning there, the next day.
Crossing the border. Money, language, plugs.
Money changes hands at the border: San Francisco uses the USD ($) and London uses the GBP (£). Conversations can stay in English, which is official in both countries. Be careful behind the wheel: San Francisco drives on the right, London on the left.
- Country
- United States
- Capital
- Washington, D.C.
- Currency
- United States dollar (USD · $)
- Language
- English
- Calling code
- +1
- Drives on
- Right
- Country
- United Kingdom
- Capital
- London
- Currency
- British pound (GBP · £)
- Language
- English
- Calling code
- +44
- Drives on
- Left
Quick answers. Before you book the call.
What's the time difference between San Francisco and London?
San Francisco is 8 hours ahead of London. San Francisco runs on GMT-7 and London on GMT+1. The gap can shift by an hour when either side enters or leaves daylight saving — the live clocks above always reflect the current offset.
When it's 10 am in San Francisco, what time is it in London?
10:00 am in San Francisco is 6:00 pm in London on the same day — evening there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.
When it's 3 pm in San Francisco, what time is it in London?
3:00 pm in San Francisco is 11:00 pm in London on the same day — night there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.
When's the best time to schedule a meeting?
Standard 09:00–17:00 workdays don't intersect. Most teams compromise with one side meeting early (before 09:00) or late (after 17:00).
Does daylight saving time change the difference?
Yes, if either city observes DST. When one side shifts and the other doesn't, the gap changes by one hour. The DST badges under each clock show whether each zone is currently shifted and when the next transition lands.
How far is San Francisco from London?
About 8,616 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 10h 38m, not counting airport time, winds, or routing around restricted airspace.
Can I send this meeting time as a calendar invite?
Yes. Pick a time on the slider above, open the meeting card, customize the title and duration, then download the .ics file. It imports cleanly into Google Calendar, Outlook, and Apple Calendar with the correct timezone attached.
What currency do San Francisco and London use?
San Francisco uses the United States dollar (USD, $); London uses the British pound (GBP, £). Check the live rate before transferring money or paying with a card abroad — most banks add a 1–3 % FX margin on top of the mid-market rate.
How do I call San Francisco from London?
Dial the international prefix used by your carrier (often 00), then +1, then the local number — drop any leading zero of the city or mobile code. For free calls, WhatsApp, Signal, and FaceTime work over Wi-Fi regardless of country code.
What language is spoken in San Francisco and London?
Both United States and United Kingdom count English among their official languages, so business meetings often skip translation. San Francisco also has no other official tongue; London adds no other official tongue.
Do San Francisco and London drive on the same side of the road?
No. United States drives on the right, United Kingdom on the left. If you're renting, expect a learning curve on the first day — especially at roundabouts and when judging the centre of the lane.