IST to GMT time converter
Greenwich Mean Time (GMT) is 5 hours 30 minutes behind India Standard Time (IST) all year round. Use the grid below to line up New Delhi and Greenwich: drag the cursor across the day, and working hours (9 AM–5 PM) are highlighted in every row so you can spot a slot that suits both sides.
Right now it is 15:13 IST in New Delhi and 09:43 UTC in Greenwich.
Tue, Oct 20
Kolkata home
15:13
Tue, Oct 20 · UTC+5:30
UTC
09:43
Tue, Oct 20 · UTC+0
2/10 zones · drag the tape, scroll sideways or use the arrow keys; Home jumps back to now.
IST to GMT: frequently asked
What is the time difference between IST and GMT?
Greenwich Mean Time (GMT) is 5 hours 30 minutes behind India Standard Time (IST) all year round.
What time is 9 AM IST in GMT?
9:00 AM IST is 3:30 AM GMT.
When do working hours overlap between New Delhi and Greenwich?
Both sides are within 9:00 AM–5:00 PM working hours between 2:30 PM and 5:00 PM IST (9:00 AM to 11:30 AM GMT).