IST to GMT Time Converter
When it's 12:00 PM IST, it's 6:30 AM GMT 5.5 hours behind
| Time in IST | Time in GMT |
|---|---|
| 12:00 AM | 6:30 PM (-1 day) |
| 1:00 AM | 7:30 PM (-1 day) |
| 2:00 AM | 8:30 PM (-1 day) |
| 3:00 AM | 9:30 PM (-1 day) |
| 4:00 AM | 10:30 PM (-1 day) |
| 5:00 AM | 11:30 PM (-1 day) |
| 6:00 AM | 12:30 AM |
| 7:00 AM | 1:30 AM |
| 8:00 AM | 2:30 AM |
| 9:00 AM | 3:30 AM |
| 10:00 AM | 4:30 AM |
| 11:00 AM | 5:30 AM |
| 12:00 PM | 6:30 AM |
| 1:00 PM | 7:30 AM |
| 2:00 PM | 8:30 AM |
| 3:00 PM | 9:30 AM |
| 4:00 PM | 10:30 AM |
| 5:00 PM | 11:30 AM |
| 6:00 PM | 12:30 PM |
| 7:00 PM | 1:30 PM |
| 8:00 PM | 2:30 PM |
| 9:00 PM | 3:30 PM |
| 10:00 PM | 4:30 PM |
| 11:00 PM | 5:30 PM |
Daylight Saving Time (DST) may affect this conversion. IST does not observe DST. GMT observes DST.
Major Cities in GMT (Greenwich Mean Time)
- London
- Birmingham
- Glasgow
- Manchester
- Sheffield
What is the time difference between IST and GMT?
GMT is 5.5 hours behind compared to IST. When it's 12:00 PM (noon) in IST, it's 6:30 AM in GMT.
Does Daylight Saving Time (DST) affect IST to GMT conversion?
IST does not observe DST. GMT observes DST. During DST transitions, the time difference may change by one hour.
What major cities use IST (India Standard Time)?
Major cities in the IST timezone include Mumbai, Delhi, Bengaluru, Hyderabad, Ahmedabad.
What is the best time to call from IST to GMT?
The best time to call from IST to GMT is between 9:00 AM and 5:00 PM IST, which is 3:30 AM to 11:30 AM GMT. This ensures both parties are available during normal business hours (9 AM - 5 PM).