IST to GST converter
GST is 1 h 30 min behind IST all year.
IST to GST table
For 2 July 2026, when GST is 1 h 30 min behind IST. Other dates: see the table on the right.
| IST | GST |
|---|---|
| 12:00 AM | 10:30 PM prev. day |
| 1:00 AM | 11:30 PM prev. day |
| 2:00 AM | 12:30 AM |
| 3:00 AM | 1:30 AM |
| 4:00 AM | 2:30 AM |
| 5:00 AM | 3:30 AM |
| 6:00 AM | 4:30 AM |
| 7:00 AM | 5:30 AM |
| 8:00 AM | 6:30 AM |
| 9:00 AM | 7:30 AM |
| 10:00 AM | 8:30 AM |
| 11:00 AM | 9:30 AM |
| 12:00 PM | 10:30 AM |
| 1:00 PM | 11:30 AM |
| 2:00 PM | 12:30 PM |
| 3:00 PM | 1:30 PM |
| 4:00 PM | 2:30 PM |
| 5:00 PM | 3:30 PM |
| 6:00 PM | 4:30 PM |
| 7:00 PM | 5:30 PM |
| 8:00 PM | 6:30 PM |
| 9:00 PM | 7:30 PM |
| 10:00 PM | 8:30 PM |
| 11:00 PM | 9:30 PM |
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) | GST vs IST |
|---|---|---|
| 1 January 2026 | 31 December 2026 | 1 h 30 min behind |
| 2027: from (UTC) | until (UTC) | GST vs IST |
|---|---|---|
| 1 January 2027 | 31 December 2027 | 1 h 30 min behind |
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.
GST: Gulf Standard Time · GST time now
United Arab Emirates and Oman
Related converters
Questions
What is the time difference between IST and GST?
GST is 1 h 30 min behind IST all year.
What is 9 am IST in GST?
9:00 am IST is 7:30 AM GST, on dates when the usual difference applies. Use the converter above for any specific date.
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.
Which GST does this page use?
Gulf Standard Time, the clock time in United Arab Emirates and Oman (IANA zone Asia/Dubai).