GMT to IST converter
IST is 5 h 30 min ahead of GMT all year.
GMT to IST table
For 2 July 2026, when IST is 5 h 30 min ahead of GMT. Other dates: see the table on the right.
| 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 next day |
| 8:00 PM | 1:30 AM next day |
| 9:00 PM | 2:30 AM next day |
| 10:00 PM | 3:30 AM next day |
| 11:00 PM | 4:30 AM next day |
When the difference changes
Computed from the IANA tz database (release 2026c). Governments can change these rules; the live converter uses your browser’s own copy of the database.
| 2026: from (UTC) | until (UTC) | IST vs GMT |
|---|---|---|
| 1 January 2026 | 31 December 2026 | 5 h 30 min ahead of |
| 2027: from (UTC) | until (UTC) | IST vs GMT |
|---|---|---|
| 1 January 2027 | 31 December 2027 | 5 h 30 min ahead of |
GMT: Greenwich Mean Time · GMT time now
GMT here means the fixed UTC+0 offset. The UK only uses GMT in winter; in summer London is on BST (UTC+1).
IST: India Standard Time · IST time now
IST can also mean Irish Standard Time or Israel Standard Time. This page means India (Asia/Kolkata), which has one zone and no daylight saving time.
Related converters
Questions
What is the time difference between GMT and IST?
IST is 5 h 30 min ahead of GMT all year.
What is 9 am GMT in IST?
9:00 am GMT is 2:30 PM IST, on dates when the usual difference applies. Use the converter above for any specific date.
Which GMT does this page use?
GMT here means the fixed UTC+0 offset. The UK only uses GMT in winter; in summer London is on BST (UTC+1).
Which IST does this page use?
IST can also mean Irish Standard Time or Israel Standard Time. This page means India (Asia/Kolkata), which has one zone and no daylight saving time.