IST to GMT India Standard Time → GMT
GMT is 5½ hours behind India Standard Time.
Best overlap: 14:30–17:00 IST = 09:00–11:30 GMT · 2½ hours inside work hours (9–5) for both.
Hour by hour
All year · GMT is 5½ hours behind IST
| IST | GMT |
|---|---|
| 00:00 | 18:30 −1 |
| 01:00 | 19:30 −1 |
| 02:00 | 20:30 −1 |
| 03:00 | 21:30 −1 |
| 04:00 | 22:30 −1 |
| 05:00 | 23:30 −1 |
| 06:00 | 00:30 |
| 07:00 | 01:30 |
| 08:00 | 02:30 |
| 09:00 | 03:30 |
| 10:00 | 04:30 |
| 11:00 | 05:30 |
| 12:00 | 06:30 |
| 13:00 | 07:30 |
| 14:00 | 08:30 |
| 15:00 | 09:30 |
| 16:00 | 10:30 |
| 17:00 | 11:30 |
| 18:00 | 12:30 |
| 19:00 | 13:30 |
| 20:00 | 14:30 |
| 21:00 | 15:30 |
| 22:00 | 16:30 |
| 23:00 | 17:30 |
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Daylight saving time
India Standard Time doesn’t use daylight saving time. GMT doesn’t use daylight saving time. GMT itself never changes. The UK uses GMT only in winter and moves to BST (GMT+1) in summer; for UK time, use the UK time or London pages.
Questions
What is the time difference between IST and GMT?
GMT is 5½ hours behind India Standard Time all year. Neither changes its clocks.
What time is 9 AM IST in GMT?
9:00 AM IST is 3:30 AM GMT.
When do the clocks change?
India Standard Time doesn’t use daylight saving time. GMT doesn’t use daylight saving time. GMT itself never changes. The UK uses GMT only in winter and moves to BST (GMT+1) in summer; for UK time, use the UK time or London pages.
What is the best time for a meeting between IST and GMT?
9:00 AM–11:30 AM GMT (2:30 PM–5:00 PM IST) is inside normal 9-to-5 work hours for both: 2½ hours of overlap.