GMT to IST Converter
IST is 5 hours 30 minutes ahead of GMT. 9:00 AM GMT = 2:30 PM IST.
IST is 5 hours 30 minutes ahead of GMT. To convert GMT to IST, add 5 hours 30 minutes to the GMT time: 9:00 AM GMT = 2:30 PM IST.
GMT (GMT) is used in Same offset as UTC. The UK and Ireland use GMT in winter; Iceland, Ghana and Senegal all year. IST (India Time) is used in India and Sri Lanka (UTC+5:30, no daylight saving time).
The UK is on GMT only in winter; in summer it uses BST (UTC+1). IST here means India Standard Time, not Irish or Israel Standard Time.
GMT to IST time conversion table
GMT to IST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| GMT | IST | Day |
|---|---|---|
| 12:00 AM GMT | 5:30 AM IST | night |
| 1:00 AM GMT | 6:30 AM IST | — |
| 2:00 AM GMT | 7:30 AM IST | — |
| 3:00 AM GMT | 8:30 AM IST | — |
| 4:00 AM GMT | 9:30 AM IST | — |
| 5:00 AM GMT | 10:30 AM IST | — |
| 6:00 AM GMT | 11:30 AM IST | — |
| 7:00 AM GMT | 12:30 PM IST | — |
| 8:00 AM GMT | 1:30 PM IST | — |
| 9:00 AM GMT | 2:30 PM IST | work hours |
| 10:00 AM GMT | 3:30 PM IST | work hours |
| 11:00 AM GMT | 4:30 PM IST | work hours |
| 12:00 PM GMT | 5:30 PM IST | — |
| 1:00 PM GMT | 6:30 PM IST | — |
| 2:00 PM GMT | 7:30 PM IST | — |
| 3:00 PM GMT | 8:30 PM IST | — |
| 4:00 PM GMT | 9:30 PM IST | — |
| 5:00 PM GMT | 10:30 PM IST | night |
| 6:00 PM GMT | 11:30 PM IST | night |
| 7:00 PM GMT | 12:30 AM IST | next day |
| 8:00 PM GMT | 1:30 AM IST | next day |
| 9:00 PM GMT | 2:30 AM IST | next day |
| 10:00 PM GMT | 3:30 AM IST | next day |
| 11:00 PM GMT | 4:30 AM IST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert GMT to IST
Add 5 hours 30 minutes to the GMT time to get IST.
Example: 9:00 AM GMT = 2:30 PM IST.
Across midnight: 10:00 PM GMT = 3:30 AM IST (next day). The date changes, so always check the day as well as the hour.
Time difference between GMT and IST
The time difference between GMT and IST is 5 hours 30 minutes all year – IST is ahead of GMT.
GMT and IST during daylight saving time
- GMT does not observe daylight saving time; it stays on UTC+0 all year.
- IST does not observe daylight saving time; it stays on UTC+5:30 all year.
Best time for a meeting between GMT and IST
GMT and IST share 2 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 11:30 AM GMT lands between 2:30 PM and 5:00 PM IST, inside working hours for both.
GMT to IST FAQ
What is the time difference between GMT and IST?
IST is 5 hours 30 minutes ahead of GMT all year. 9:00 AM GMT = 2:30 PM IST.
What is 9 AM GMT in IST?
9:00 AM GMT is 2:30 PM IST.
What is 12 PM (noon) GMT in IST?
12:00 PM GMT is 5:30 PM IST.
Is IST ahead of or behind GMT?
IST is 5 hours 30 minutes ahead of GMT, so it is later in IST than in GMT.
Does GMT change for daylight saving time?
No. GMT stays on the same offset all year, so conversions never shift for daylight saving time.
Does IST change for daylight saving time?
No. IST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between GMT and IST?
GMT and IST share 2 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 11:30 AM GMT lands between 2:30 PM and 5:00 PM IST, inside working hours for both.
Related conversions
Convert IST to GMT
Convert GMT to other time zones
Convert other time zones to IST
GMT to IST by hour
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.