IST to GMT Time Converter
Compare IST and GMT instantly. The clocks below stay in sync with the IANA time-zone database, so daylight-saving transitions are handled automatically for both India and GMT.
24-Hour Comparison Timeline
Green = working hours · Yellow = early/late · Red = night
24-hour reference table
| IST (India) | GMT (GMT) |
|---|---|
| 12:00 AM | 06:30 PM(Fri, Jul 24) |
| 01:00 AM | 07:30 PM(Fri, Jul 24) |
| 02:00 AM | 08:30 PM(Fri, Jul 24) |
| 03:00 AM | 09:30 PM(Fri, Jul 24) |
| 04:00 AM | 10:30 PM(Fri, Jul 24) |
| 05:00 AM | 11:30 PM(Fri, Jul 24) |
| 06:00 AM | 12:30 AM |
| 07:00 AM | 01:30 AM |
| 08:00 AM | 02:30 AM |
| 09:00 AM | 03:30 AM |
| 10:00 AM | 04:30 AM |
| 11:00 AM | 05:30 AM |
| 12:00 PM | 06:30 AM |
| 01:00 PM | 07:30 AM |
| 02:00 PM | 08:30 AM |
| 03:00 PM | 09:30 AM |
| 04:00 PM | 10:30 AM |
| 05:00 PM | 11:30 AM |
| 06:00 PM | 12:30 PM |
| 07:00 PM | 01:30 PM |
| 08:00 PM | 02:30 PM |
| 09:00 PM | 03:30 PM |
| 10:00 PM | 04:30 PM |
| 11:00 PM | 05:30 PM |
Daylight saving time
Neither India nor GMT observes daylight saving time — the offset between IST and GMT is fixed year-round.
Working-hours overlap
3 PM–5 PM IST (9 AM–11 AM GMT) — the shared 9-to-5 window for meetings.
Frequently asked questions
What is the time difference between IST and GMT?+
GMT (UTC+00:00) is currently 5 hours 30 minutes behind IST (UTC+05:30). This page recalculates the offset live from the IANA time-zone database, including any daylight-saving transitions.
Does IST or GMT observe daylight saving time?+
Neither India nor GMT observes daylight saving time, so the offset stays fixed all year. Times on this page always reflect the current local rules.
What are the best meeting hours between India and GMT?+
Standard 9–5 working hours in India and GMT overlap from 3 PM to 5 PM IST (9 AM–11 AM GMT). Schedule calls inside this window to keep both sides in normal business hours.
How do I quickly convert IST to GMT?+
Use the live clocks and 24-hour reference table above. Pick any hour on the IST row to see the matching GMT time. The Event Planner also lets you pick a specific date and share it with attendees.