GMT to IST Converter – Greenwich Mean Time to India Standard Time
IST is 5 hours 30 minutes ahead of GMT. GMT (Greenwich Mean Time) is UTC+0, switching to BST (UTC+1) during daylight saving, while IST (India Standard Time) is UTC+5:30 all year. The live clocks below show the current time in both zones, updated every second.
GMT to IST Conversion Table (Hour by Hour)
Standard-time conversion from Greenwich Mean Time to India Standard Time. During daylight saving periods the offset shifts by one hour - the live clocks above always show the correct current time.
| GMT (UTC+0) | IST (UTC+5:30) |
|---|---|
| 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) |
Frequently Asked Questions
What is the time difference between GMT and IST?
IST is 5 hours 30 minutes ahead of GMT. GMT (Greenwich Mean Time) is UTC+0 and IST (India Standard Time) is UTC+5:30.
How do I convert GMT to IST?
Take your time in GMT and add 5.5 hours and minutes as shown in the table above. For example, 9:00 AM GMT is 2:30 PM in IST. The live clocks at the top of this page always show the current conversion.
Does daylight saving time affect GMT to IST conversion?
Yes. GMT switches to BST (UTC+1) in summer, so the gap between the two zones changes during DST periods. The live clocks on this page use the IANA timezone database and always reflect the correct current offset automatically.
What is the best time for a meeting between GMT and IST?
Look for overlap between 9:00 AM-6:00 PM working hours in both zones using the conversion table above. IST is 5 hours 30 minutes ahead of GMT, so there is normally several hours of business-hours overlap.