What time is it right now?
London
02:58
BST · UTC+1
Mumbai
07:28
IST · UTC+5:30
GMT to IST conversion table
Every second hour, GMT on the left and the matching IST time on the right.
| GMT (London) | IST (Mumbai) |
|---|---|
| 00:00 | 04:30 |
| 02:00 | 06:30 |
| 04:00 | 08:30 |
| 06:00 | 10:30 |
| 08:00 | 12:30 |
| 10:00 | 14:30 |
| 12:00 | 16:30 |
| 14:00 | 18:30 |
| 16:00 | 20:30 |
| 18:00 | 22:30 |
| 20:00 | 00:30 next day |
| 22:00 | 02:30 next day |
Best time to schedule a meeting
Working hours overlap between 09:00 and 13:30 GMT — that is 13:30 to 18:00 in Mumbai. Anything inside that band lands in the 9-to-6 working day on both sides.
Frequently asked questions
How many hours ahead is London of Mumbai?
It depends on the season. Around July London is 4 hours 30 minutes behind Mumbai; around January it is 5 hours 30 minutes behind Mumbai. The switch happens when one of the two moves to or from daylight saving time.
What time is 12:00 noon GMT in IST?
12:00 noon GMT is 16:30 IST.
Does GMT or IST use daylight saving time?
GMT observes daylight saving; IST does not. The difference between them therefore changes twice a year.