Does Boston observe daylight saving time?

Yes. Boston is on EDT (UTC-4) now, and its clocks go back 1 hour on Sun, Nov 1, to EST (UTC-5).

Does Mumbai observe daylight saving time?

No. Mumbai stays on IST (UTC+5:30) all year, so its clocks don't change.

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

6:30 PM in Mumbai, on the same day.

Boston to Mumbai Meeting Planner

Mumbai is 9 hours 30 minutes ahead of Boston right now. Their working days don't overlap today.

Boston · United States

11:36 PM

Fri, Oct 16 · EDT · summer time

Mumbai · India

9:06 AM

Sat, Oct 17 · IST

Best Meeting Times Between Boston and Mumbai

No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 10:00 AM in Boston, which is 7:30 PM in Mumbai; consider splitting into two shorter meetings or shifting someone's hours.

Who's meeting

2 of 4 places

BostonOrganizerUnited States ·· summer time11:36PMnow
MumbaiIndia ·9:06AMTomorrow · now

Add a city

Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in Boston

Working hours, everywhere

Best times to meet

Friday, October 16, 2026, in Boston time.

10:00AMBest · GoodWorking hours in Boston (10:00); just outside working hours in Mumbai (19:30).
9:30AMOption 2 · GoodWorking hours in Boston (09:30); just outside working hours in Mumbai (19:00).
9:00AMOption 3 · GoodWorking hours in Boston (09:00); just outside working hours in Mumbai (18:30).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a half hour of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
BostonEDT
MumbaiIST
UTC	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

Boston10:00 AM EDTFri, Oct 16
Mumbai7:30 PM ISTFri, Oct 16
UTC2026-10-16 14:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Boston and Mumbai

Mumbai is 9 hours 30 minutes ahead of Boston right now: Mumbai is on IST (UTC+5:30) and Boston on EDT (UTC-4). That changes on Sun, Nov 1, when clocks go back in Boston: then Mumbai is 10 hours 30 minutes ahead of Boston.

Time difference between Boston and Mumbai over the next 12 months
From	Difference	Why
Now	Mumbai 9 hours 30 minutes ahead	—
Sun, Nov 1	Mumbai 10 hours 30 minutes ahead	Clocks go back in Boston
Sun, Mar 14, 2027	Mumbai 9 hours 30 minutes ahead	Clocks go forward in Boston

Boston is on Eastern Standard Time. Mumbai is on India Standard Time.

Frequently Asked Questions: Boston & Mumbai Scheduling

What is the time difference between Boston and Mumbai?: Mumbai is 9 hours 30 minutes ahead of Boston right now: Mumbai is on IST (UTC+5:30) and Boston on EDT (UTC-4). That changes on Sun, Nov 1, when clocks go back in Boston: then Mumbai is 10 hours 30 minutes ahead of Boston.
What is the best time to schedule a meeting between Boston and Mumbai?: No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 10:00 AM in Boston, which is 7:30 PM in Mumbai; consider splitting into two shorter meetings or shifting someone's hours.
Does Boston observe daylight saving time?: Yes. Boston is on EDT (UTC-4) now, and its clocks go back 1 hour on Sun, Nov 1, to EST (UTC-5).
Does Mumbai observe daylight saving time?: No. Mumbai stays on IST (UTC+5:30) all year, so its clocks don't change.
What time is it in Mumbai when it's 9 AM in Boston?: 6:30 PM in Mumbai, on the same day.

Or see every city pair, or plan with more places in the meeting planner.