GMT to Mumbai Time Converter

IST is 5 hours 30 minutes ahead of GMT. 9:00 AM GMT = 2:30 PM IST.

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GMTfrom
Greenwich Mean Time
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Mumbai, India
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IST is 5 hours 30 minutes ahead of GMT. To convert GMT to Mumbai Time, add 5 hours 30 minutes to the GMT time: 9:00 AM GMT = 2:30 PM IST.

GMT (GMT) is used in Same offset as UTC. The UK and Ireland use GMT in winter; Iceland, Ghana and Senegal all year. Mumbai Time (Mumbai time) is used in Mumbai, India.

The UK is on GMT only in winter; in summer it uses BST (UTC+1).

GMT to Mumbai Time time conversion table

GMT to Mumbai Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

GMTMumbai TimeDay
12:00 AM GMT5:30 AM ISTnight
1:00 AM GMT6:30 AM IST—
2:00 AM GMT7:30 AM IST—
3:00 AM GMT8:30 AM IST—
4:00 AM GMT9:30 AM IST—
5:00 AM GMT10:30 AM IST—
6:00 AM GMT11:30 AM IST—
7:00 AM GMT12:30 PM IST—
8:00 AM GMT1:30 PM IST—
9:00 AM GMT2:30 PM ISTwork hours
10:00 AM GMT3:30 PM ISTwork hours
11:00 AM GMT4:30 PM ISTwork hours
12:00 PM GMT5:30 PM IST—
1:00 PM GMT6:30 PM IST—
2:00 PM GMT7:30 PM IST—
3:00 PM GMT8:30 PM IST—
4:00 PM GMT9:30 PM IST—
5:00 PM GMT10:30 PM ISTnight
6:00 PM GMT11:30 PM ISTnight
7:00 PM GMT12:30 AM ISTnext day
8:00 PM GMT1:30 AM ISTnext day
9:00 PM GMT2:30 AM ISTnext day
10:00 PM GMT3:30 AM ISTnext day
11:00 PM GMT4:30 AM ISTnext day
  • Work rows — 9 AM–5 PM in both places
  • Night in the destination (10 PM–6 AM)

How to convert GMT to Mumbai Time

Add 5 hours 30 minutes to the GMT time to get Mumbai Time.

Example: 9:00 AM GMT = 2:30 PM IST.

Across midnight: 10:00 PM GMT = 3:30 AM IST (next day). The date changes, so always check the day as well as the hour.

Time difference between GMT and Mumbai Time

The time difference between GMT and Mumbai Time is 5 hours 30 minutes all year – IST is ahead of GMT.

GMT and Mumbai Time during daylight saving time

  • GMT does not observe daylight saving time; it stays on UTC+0 all year.
  • Mumbai Time does not observe daylight saving time; it stays on UTC+5:30 all year.

Best time for a meeting between GMT and Mumbai Time

GMT and Mumbai Time share 2 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 11:30 AM GMT lands between 2:30 PM and 5:00 PM IST, inside working hours for both.

Plan a meeting across more time zones.

GMT to Mumbai Time FAQ

What is the time difference between GMT and Mumbai Time?

IST is 5 hours 30 minutes ahead of GMT all year. 9:00 AM GMT = 2:30 PM IST.

What is 9 AM GMT in Mumbai Time?

9:00 AM GMT is 2:30 PM IST.

What is 12 PM (noon) GMT in Mumbai Time?

12:00 PM GMT is 5:30 PM IST.

Is Mumbai Time ahead of or behind GMT?

IST is 5 hours 30 minutes ahead of GMT, so it is later in Mumbai Time than in GMT.

Does GMT change for daylight saving time?

No. GMT stays on the same offset all year, so conversions never shift for daylight saving time.

Does Mumbai Time change for daylight saving time?

No. Mumbai Time stays on the same offset all year, so conversions never shift for daylight saving time.

What is the best time for a meeting between GMT and Mumbai Time?

GMT and Mumbai Time share 2 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 11:30 AM GMT lands between 2:30 PM and 5:00 PM IST, inside working hours for both.

Related conversions

Convert Mumbai Time to GMT

Convert GMT to other time zones

Convert other time zones to Mumbai Time

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.