🇪🇬 Cairo ↔ 🇺🇸 San Francisco
Cairo is usually 10 hours ahead of San Francisco. Both observe daylight saving time, so the difference shifts by an hour for a few weeks around the spring and autumn changeovers.
Sunrise 5:56 AMSunset 8:00 PM(local)
Sunrise 5:49 AMSunset 8:36 PM(local)
🇪🇬 Cairo
Dialing code+20
Population9,606,916
Coordinates30.06°N, 31.25°E
Elevation23 m
🇺🇸 San Francisco
Dialing code+1
Population827,526
Coordinates37.77°N, 122.42°W
Elevation16 m
No comfortable common working hours — these cities barely overlap.
29 October 2026 — 1 November 2026: the gap is 9h instead of the usual 10h — Cairo and San Francisco change clocks on different days.
Working hours assumed 9:00–18:00.
Frequently asked questions
- What is the time difference between Cairo and San Francisco?
- Cairo is 10 hours ahead of San Francisco. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
- When is the best time to call between Cairo and San Francisco?
- There is no hour when standard working hours (9:00–18:00) overlap in both Cairo and San Francisco, so any call falls outside business hours for at least one side.
- Why does the time difference between Cairo and San Francisco change?
- Because Cairo and San Francisco switch to or from daylight saving time on different dates, the gap between them is temporarily larger or smaller for a few weeks around those changes.