GMT to IST/IDT time converter
IST/IDT is 3 hours ahead of GMT. When it is 9:00 AM in GMT, it is 12:00 PM in IST/IDT.
7:16 PM in GMT, Friday, October 16, 2026
Shared working hours (9:00–18:00)
GMT to IST/IDT conversion table
Every hour of today in GMT and the matching time in IST/IDT. Light rows are typical working hours (9:00–18:00).
| GMT | IST/IDT |
|---|---|
| 12:00 AM | 3:00 AM |
| 1:00 AM | 4:00 AM |
| 2:00 AM | 5:00 AM |
| 3:00 AM | 6:00 AM |
| 4:00 AM | 7:00 AM |
| 5:00 AM | 8:00 AM |
| 6:00 AM | 9:00 AM |
| 7:00 AM | 10:00 AM |
| 8:00 AM | 11:00 AM |
| 9:00 AM | 12:00 PM |
| 10:00 AM | 1:00 PM |
| 11:00 AM | 2:00 PM |
| 12:00 PM | 3:00 PM |
| 1:00 PM | 4:00 PM |
| 2:00 PM | 5:00 PM |
| 3:00 PM | 6:00 PM |
| 4:00 PM | 7:00 PM |
| 5:00 PM | 8:00 PM |
| 6:00 PM | 9:00 PM |
| 7:00 PM | 10:00 PM |
| 8:00 PM | 11:00 PM |
| 9:00 PM | 12:00 AM+1 day |
| 10:00 PM | 1:00 AM+1 day |
| 11:00 PM | 2:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 3:00 PM in GMT (12:00 PM – 6:00 PM in IST/IDT).
Daylight saving time and the difference
The difference changes during the year because GMT and IST/IDT switch clocks on different dates:
- Oct 16, 2026 – Oct 24, 2026: +3h
- Oct 24, 2026 – Mar 26, 2027: +2h
- Mar 26, 2027 – Oct 16, 2027: +3h
More conversions
Questions and answers
What is the time difference between GMT and IST/IDT?
IST/IDT is 3 hours ahead of GMT.
What time is it in IST/IDT when it is 9 AM in GMT?
When it is 9:00 AM in GMT, it is 12:00 PM in IST/IDT.
When is the best time to call IST/IDT from GMT?
Both sides are at work from 9:00 AM – 3:00 PM in GMT (12:00 PM – 6:00 PM in IST/IDT).
Does the time difference between GMT and IST/IDT change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.