GMT to IST Time Converter
About this conversion
IST here means India Standard Time (UTC+5:30). The abbreviation is also used for Irish Standard Time (UTC+1, the Republic of Ireland's summer time) and Israel Standard Time, so always confirm which country is meant.
When the time difference changes
Both sides keep a fixed offset, so the gap does not change in the next two years.
Best time to call or meet
09:00 to 12:00 GMT is 14:00 to 17:00 IST, 3 hours of shared 09:00 to 17:00 time.
Common times
- 06:00 GMT = 11:30 IST
- 09:00 GMT = 14:30 IST
- 12:00 GMT = 17:30 IST
- 15:00 GMT = 20:30 IST
- 17:00 GMT = 22:30 IST
- 20:00 GMT = 01:30 IST (next day)
GMT to IST hour-by-hour table
Highlighted rows fall within 09:00 to 17:00 on both sides.
| 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 (next day) |
| 20:00 | 01:30 (next day) |
| 21:00 | 02:30 (next day) |
| 22:00 | 03:30 (next day) |
| 23:00 | 04:30 (next day) |
Related conversions
Frequently asked questions
What is 15:00 GMT in IST?
15:00 GMT is 20:30 IST at the moment. The answer can change by an hour when either side changes its clocks.
What are the shared working hours for GMT and IST?
09:00 to 12:00 GMT is 14:00 to 17:00 IST, 3 hours of shared 09:00 to 17:00 time.
When does the GMT to IST time difference change?
It does not change in the next two years.