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Time difference between Boston and Mumbai

Mumbai is 9 hours 30 minutes ahead of Boston.

Boston
United States · Eastern Daylight Time
3:42 AM
Wednesday, October 21, 2026
Mumbai
India · India Standard Time
1:12 PM
Wednesday, October 21, 2026
Compare more placesMumbai to Boston

Boston to Mumbai time converter

Green rows are office hours in both places; light green rows are when both are awake.

BostonMumbai
12:00 AM9:30 AM
1:00 AM10:30 AM
2:00 AM11:30 AM
3:00 AM12:30 PM
4:00 AM1:30 PM
5:00 AM2:30 PM
6:00 AM3:30 PM
7:00 AM4:30 PM
8:00 AM5:30 PM
9:00 AM6:30 PM
10:00 AM7:30 PM
11:00 AM8:30 PM
12:00 PM9:30 PM
1:00 PM10:30 PM
2:00 PM11:30 PM
3:00 PM12:30 AM (next day)
4:00 PM1:30 AM (next day)
5:00 PM2:30 AM (next day)
6:00 PM3:30 AM (next day)
7:00 PM4:30 AM (next day)
8:00 PM5:30 AM (next day)
9:00 PM6:30 AM (next day)
10:00 PM7:30 AM (next day)
11:00 PM8:30 AM (next day)

Questions

What is the time difference between Boston and Mumbai?

Mumbai is 9 hours 30 minutes ahead of Boston. Boston is on UTC−4 and Mumbai is on UTC+5:30.

What time is it in Mumbai when it is 9 AM in Boston?

When it is 9:00 AM in Boston, it is 6:30 PM in Mumbai.

When is the best time to call Mumbai from Boston?

There are no shared office hours. The most comfortable time to call is 8:00 AM–1:00 PM in Boston (5:30 PM–10:30 PM in Mumbai), when both places are awake.

Does the time difference between Boston and Mumbai change?

Yes. Because of daylight saving time, the difference changes on Sunday, November 1, 2026, when Mumbai will be 10 hours 30 minutes ahead of Boston.

Boston is 9 hours 30 minutes behind Mumbai. More: time in Boston · time in Mumbai

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