Mumbai is usually 12 hours 30 min ahead of San Francisco. San Francisco observes daylight saving time and Mumbai does not, so the difference shifts by an hour around the changeovers.

MumbaiSan Francisco

Sunrise 6:12 AMSunset 7:19 PM(local)

Sunrise 6:06 AMSunset 8:28 PM(local)

San Francisco: daylight saving timeNow UTC-7 PDT. Next change: November 1, 2026 โ€” clocks go back 1 hour.
MumbaiUTC+5:30
San FranciscoUTC-7PDT

๐Ÿ‡ฎ๐Ÿ‡ณ Mumbai

Dialing code+91
Population12,691,836
Coordinates19.07ยฐN, 72.88ยฐE
Elevation8 m

๐Ÿ‡บ๐Ÿ‡ธ San Francisco

Dialing code+1
Population827,526
Coordinates37.77ยฐN, 122.42ยฐW
Elevation16 m

No comfortable common working hours โ€” these cities barely overlap.

Working hours assumed 9:00โ€“18:00.

Frequently asked questions

What is the time difference between Mumbai and San Francisco?
Mumbai is 12 hours 30 min 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 Mumbai and San Francisco?
There is no hour when standard working hours (9:00โ€“18:00) overlap in both Mumbai and San Francisco, so any call falls outside business hours for at least one side.
Why does the time difference between Mumbai and San Francisco change?
Because at least one of Mumbai and San Francisco observes daylight saving time, the difference shifts by an hour when one city changes its clocks and the other has not yet (or does not).