Convert GMT to IST
GMT (UTC+0) to India Standard Time (UTC+5:30) is a fixed 5½ hours: neither ever changes. But the UK only uses GMT in winter. From the last Sunday of March to the last Sunday of October London is on BST (UTC+1), just 4½ hours behind India.
Noon GMT
12:00 PM GMT = 5:30 PM IST
The same all year: 5 hours 30 minutes ahead.
Turn on JavaScript to convert any time live.
GMT to IST, hour by hour
GMT → IST: 31 Oct–30 Oct
| GMT | GMT → IST |
|---|---|
| 12:00 AM | 5:30 AM |
| 1:00 AM | 6:30 AM |
| 2:00 AM | 7:30 AM |
| 3:00 AM | 8:30 AM |
| 4:00 AM | 9:30 AM |
| 5:00 AM | 10:30 AM |
| 6:00 AM | 11:30 AM |
| 7:00 AM | 12:30 PM |
| 8:00 AM | 1:30 PM |
| 9:00 AM | 2:30 PM |
| 10:00 AM | 3:30 PM |
| 11:00 AM | 4:30 PM |
| 12:00 PM | 5:30 PM |
| 1:00 PM | 6:30 PM |
| 2:00 PM | 7:30 PM |
| 3:00 PM | 8:30 PM |
| 4:00 PM | 9:30 PM |
| 5:00 PM | 10:30 PM |
| 6:00 PM | 11:30 PM |
| 7:00 PM | 12:30 AM +1 day |
| 8:00 PM | 1:30 AM +1 day |
| 9:00 PM | 2:30 AM +1 day |
| 10:00 PM | 3:30 AM +1 day |
| 11:00 PM | 4:30 AM +1 day |
Daylight saving time: the next clock changes
- GMT: no clock changes (no daylight saving time).
- India: no clock changes (no daylight saving time).
Good to know
- For a meeting with someone in London, use the London–India page: it follows the UK clock changes.
- Noon GMT is 5:30 PM in India, near the end of the Indian workday.
Questions
How many hours is IST ahead of GMT?
5 hours 30 minutes for most of the year (IST).
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