Time Zone Conversion
GMT to IST Converter
IST is currently 5.5 hours ahead of GMT.
Indian Standard Time (IST) is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT). When it is 12:00 PM GMT, it is 5:30 PM IST. India does not observe daylight saving time.
Current Clocks
Current GMT and IST Time
GMT (Greenwich Mean Time) 5:16 PM Friday, November 6, 2026 GMT, UTC+0
IST (Indian Standard Time) 10:46 PM Friday, November 6, 2026 GMT+5:30, UTC+5:30
FAQ
GMT to IST Frequently Asked Questions
What is the time difference between GMT and IST?
Indian Standard Time (IST) is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT). When it is 12:00 PM GMT, it is 5:30 PM IST. India does not observe daylight saving time.
When is 12:00 PM (noon) GMT in IST?
When it is 12:00 PM GMT, it is 5:30 PM IST.
What are the optimal call hours between GMT and IST?
The best window for cross-zone calls is during overlapping business hours between 9:00 AM and 5:00 PM in both regions. See the highlighted green rows in the table above for exact hour slots.