GMT to IST GMT → India Standard Time
India Standard Time is 5½ hours ahead of GMT.
Best overlap: 09:00–11:30 GMT = 14:30–17:00 IST · 2½ hours inside work hours (9–5) for both.
Hour by hour
All year · IST is 5½ hours ahead of GMT
| GMT | IST |
|---|---|
| 00:00 | 05:30 |
| 01:00 | 06:30 |
| 02:00 | 07:30 |
| 03:00 | 08:30 |
| 04:00 | 09:30 |
| 05:00 | 10:30 |
| 06:00 | 11:30 |
| 07:00 | 12:30 |
| 08:00 | 13:30 |
| 09:00 | 14:30 |
| 10:00 | 15:30 |
| 11:00 | 16:30 |
| 12:00 | 17:30 |
| 13:00 | 18:30 |
| 14:00 | 19:30 |
| 15:00 | 20:30 |
| 16:00 | 21:30 |
| 17:00 | 22:30 |
| 18:00 | 23:30 |
| 19:00 | 00:30 +1 |
| 20:00 | 01:30 +1 |
| 21:00 | 02:30 +1 |
| 22:00 | 03:30 +1 |
| 23:00 | 04:30 +1 |
Work Early or late Night · Tap a time to move the planner.
Daylight saving time
GMT doesn’t use daylight saving time. India Standard Time 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 GMT and IST?
India Standard Time is 5½ hours ahead of GMT all year. Neither changes its clocks.
What time is 9 AM GMT in IST?
9:00 AM GMT is 2:30 PM IST.
When do the clocks change?
GMT doesn’t use daylight saving time. India Standard Time 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 GMT and IST?
2:30 PM–5:00 PM IST (9:00 AM–11:30 AM GMT) is inside normal 9-to-5 work hours for both: 2½ hours of overlap.