Mumbai to San Francisco time: difference and best time to call

How to read it

Mumbai and San Francisco, side by side

Each row is one city's day, half an hour to a square, lined up by the hours along the bottom.

A

Mumbai

San Francisco

Mumbai time

00:0003:0006:0009:0012:0015:0018:0021:00

San Francisco time

11:3014:3017:3020:3023:3002:3005:3008:30

Filled: at the desk, 9:00 to 18:00 where that city is.
Grey: up early, up late, or the weekend.
Outline: asleep.
Red band: your slot. Read straight down to see the same moment in every city.
A marks the best time for everyone; B, when there is one, the next best.

The red band is the best time to call on Wed, 21 Oct 2026: 09:00–10:00 in Mumbai, which is 20:30–21:30 in San Francisco.

Through the year

How the gap between Mumbai and San Francisco moves

San Francisco is 12h 30m behind Mumbai today. Daylight saving moves it:

13h 30m

12h 30m

San Francisco 12h 30m behind Mumbai
San Francisco 13h 30m behind Mumbai

Sun, 1 Nov 2026 San Francisco's clocks go back an hour. San Francisco is then 13h 30m behind Mumbai.
Sun, 14 Mar 2027 San Francisco's clocks go forward an hour. San Francisco is then 12h 30m behind Mumbai.

Hour by hour

Mumbai to San Francisco time, hour by hour

On a working day (Wed, 21 Oct 2026), with working hours of 9:00 to 18:00 in both cities.

Mumbai starts work 09:00 20:30 Tue in San Francisco Late
San Francisco starts work 09:00 21:30 in Mumbai Late
Mumbai finishes work 18:00 05:30 in San Francisco Asleep
San Francisco finishes work 18:00 06:30 Wed in Mumbai Asleep

Show all 24 hours

Mumbai	San Francisco
00:00 Asleep	11:30 Tue At desk
01:00 Asleep	12:30 Tue At desk
02:00 Asleep	13:30 Tue At desk
03:00 Asleep	14:30 Tue At desk
04:00 Asleep	15:30 Tue At desk
05:00 Asleep	16:30 Tue At desk
06:00 Asleep	17:30 Tue At desk
07:00 Early	18:30 Tue Late
08:00 Early	19:30 Tue Late
09:00 At desk	20:30 Tue Late
10:00 At desk	21:30 Tue Late
11:00 At desk	22:30 Tue Asleep
12:00 At desk	23:30 Tue Asleep
13:00 At desk	00:30 Asleep
14:00 At desk	01:30 Asleep
15:00 At desk	02:30 Asleep
16:00 At desk	03:30 Asleep
17:00 At desk	04:30 Asleep
18:00 Late	05:30 Asleep
19:00 Late	06:30 Asleep
20:00 Late	07:30 Early
21:00 Late	08:30 Early
22:00 Asleep	09:30 At desk
23:00 Asleep	10:30 At desk

Questions

Questions people ask

What is the time difference between Mumbai and San Francisco?

San Francisco is 12h 30m behind Mumbai (as of Wed, 21 Oct 2026). That changes on Sun, 1 Nov 2026, when San Francisco's clocks go back: then San Francisco is 13h 30m behind Mumbai.

What is the best time for a call between Mumbai and San Francisco?

On a working day, the best time for a call is 09:00–10:00 in Mumbai (20:30–21:30 in San Francisco) until 31 Oct 2026 and from 14 Mar 2027, and 09:00–10:00 in Mumbai (19:30–20:30 in San Francisco) from 1 Nov 2026 to 13 Mar 2027.

Does Mumbai change its clocks?

No. Mumbai stays on UTC+5:30 all year.

Does San Francisco change its clocks?

Yes. San Francisco moves its clocks back an hour on Sun, 1 Nov 2026, and forward an hour on Sun, 14 Mar 2027.

More city pairs

Compare more cities

All 190 city pairs

From the team behind 10:10

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Mumbai and San Francisco: time difference and the best time to call