IST to GMT (India Time to Greenwich Mean Time (UK))
GMT is 5 hours 30 minutes behind IST right now: New Delhi is on IST (UTC+5:30) all year and London is on GMT (UTC+0).
Convert a specific IST time to GMT
IST to GMT conversion table for Friday, 6 November 2026
| IST (New Delhi) | GMT (London) |
|---|---|
| 00:00 | 18:30previous day |
| 01:00 | 19:30previous day |
| 02:00 | 20:30previous day |
| 03:00 | 21:30previous day |
| 04:00 | 22:30previous day |
| 05:00 | 23:30previous day |
| 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 |
Daylight saving time and the IST–GMT difference
UK British Summer Time runs from the last Sunday in March to the last Sunday in October. Because of this the IST–GMT difference is not fixed and changes during the year; the figures on this page are recalculated automatically for the current date. India Standard Time does not observe daylight saving time.
Best overlapping business hours
Standard 9:00–17:00 working hours overlap for 2 hours 30 minutes: 14:30–17:00 IST is 09:00–11:30 GMT.
Frequently asked questions
What is the time difference between IST and GMT?
GMT is 5 hours 30 minutes behind IST right now: New Delhi is on IST (UTC+5:30) all year and London is on GMT (UTC+0). The gap shifts when daylight saving time starts or ends.
What is 9:00 AM IST in GMT?
9:00 IST is 03:30 GMT (same day) on Friday, 6 November 2026.
What are the best meeting hours between IST and GMT?
Standard 9:00–17:00 working hours overlap for 2 hours 30 minutes: 14:30–17:00 IST is 09:00–11:30 GMT.
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