GMT to IST Converter

IST is 5h 30m ahead of GMT. When it's 12:00 PM GMT, it's 5:30 PM IST.

From

GMT · UTC

7:18:55AM

Greenwich Mean Time

e.g. London

To

IST · UTC+5:30

12:48:55PM

India Standard Time

e.g. Kolkata

Open interactive converterIST → GMT
9:00 AM GMT=2:30 PM IST
12:00 PM GMT=5:30 PM IST
5:00 PM GMT=10:30 PM IST

Hourly conversion (GMT → IST)

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

Shaded rows are within standard working hours (8am–6pm) on both sides.

GMT (UTC+0) equals UTC. The UK uses BST (UTC+1) in summer.

IST here is India Standard Time (UTC+5:30). It can also mean Irish Standard Time or Israel Standard Time.

More GMT conversions

Frequently asked questions

What is the time difference between GMT and IST?
IST is 5h 30m ahead of GMT. GMT is UTC and IST is UTC+5:30.
What is 12:00 PM GMT in IST?
12:00 PM GMT is 5:30 PM IST.
Does GMT change for daylight saving time?
GMT (UTC+0) equals UTC. The UK uses BST (UTC+1) in summer.