GMT to IST Time Converter
Compare GMT and IST instantly. The clocks below stay in sync with the IANA time-zone database, so daylight-saving transitions are handled automatically for both GMT and India.
24-Hour Comparison Timeline
Green = working hours · Yellow = early/late · Red = night
24-hour reference table
| GMT (GMT) | IST (India) |
|---|---|
| 12:00 AM | 05:30 AM |
| 01:00 AM | 06:30 AM |
| 02:00 AM | 07:30 AM |
| 03:00 AM | 08:30 AM |
| 04:00 AM | 09:30 AM |
| 05:00 AM | 10:30 AM |
| 06:00 AM | 11:30 AM |
| 07:00 AM | 12:30 PM |
| 08:00 AM | 01:30 PM |
| 09:00 AM | 02:30 PM |
| 10:00 AM | 03:30 PM |
| 11:00 AM | 04:30 PM |
| 12:00 PM | 05:30 PM |
| 01:00 PM | 06:30 PM |
| 02:00 PM | 07:30 PM |
| 03:00 PM | 08:30 PM |
| 04:00 PM | 09:30 PM |
| 05:00 PM | 10:30 PM |
| 06:00 PM | 11:30 PM |
| 07:00 PM | 12:30 AM(Sun, Jul 26) |
| 08:00 PM | 01:30 AM(Sun, Jul 26) |
| 09:00 PM | 02:30 AM(Sun, Jul 26) |
| 10:00 PM | 03:30 AM(Sun, Jul 26) |
| 11:00 PM | 04:30 AM(Sun, Jul 26) |
Daylight saving time
Neither GMT nor India observes daylight saving time — the offset between GMT and IST is fixed year-round.
Working-hours overlap
9 AM–12 PM GMT (2 PM–5 PM IST) — the shared 9-to-5 window for meetings.
Frequently asked questions
What is the time difference between GMT and IST?+
IST (UTC+05:30) is currently 5 hours 30 minutes ahead of GMT (UTC+00:00). This page recalculates the offset live from the IANA time-zone database, including any daylight-saving transitions.
Does GMT or IST observe daylight saving time?+
Neither GMT nor India 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 GMT and India?+
Standard 9–5 working hours in GMT and India overlap from 9 AM to 12 PM GMT (2 PM–5 PM IST). Schedule calls inside this window to keep both sides in normal business hours.
How do I quickly convert GMT to IST?+
Use the live clocks and 24-hour reference table above. Pick any hour on the GMT row to see the matching IST time. The Event Planner also lets you pick a specific date and share it with attendees.