GMT to IST converter

Convert Greenwich Mean Time to India Standard Time. Right now, Mumbai is 4 hours and 30 minutes ahead of London.

London · GMT+1
2:10 AM
Mumbai · GMT+5:30
6:40 AM
If it’s
:
in London, it’s

6:30 AM in Mumbai

London (GMT)Mumbai (IST)
9:00 AM1:30 PM
12:00 PM4:30 PM
5:00 PM9:30 PM

Current offsets: GMT GMT+1 · IST GMT+5:30. Updated hourly.

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Frequently asked questions

What is the time difference between London and Mumbai?

Right now, Mumbai (IST) is 4 hours and 30 minutes ahead of London (GMT). The exact gap can shift by an hour around daylight-saving changes, and this converter always uses the correct offset for the date.

How do I convert GMT to IST?

Take the GMT time and add 4h 30m to get IST. Or just use the converter above — set the hour and read the Mumbai time instantly.

Is GMT ahead of or behind IST?

IST is 4 hours and 30 minutes ahead of GMT right now.

Turn time into booked meetings

Calenkli gives you a free booking link: people pick a slot in their own timezone, answer your questions first, and the meeting lands on your calendar automatically.

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