IST to GMT ConverterRight in Your Browser
Convert India Standard Time (IST) to Greenwich Mean Time (GMT). IST covers all of India — Mumbai, Delhi, Bengaluru, Hyderabad and Chennai. GMT covers the Greenwich meridian — the reference for aviation, shipping and world time. Everything is calculated locally in your browser — no server, and it works offline.
3:30 AM
in GMT (Greenwich Mean Time)
GMT is currently 5½ hours behind IST.
Current time in IST
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Current time in GMT
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IST to GMT Chart
| IST | GMT |
|---|---|
| 12:00 AM | 6:30 PM (previous day) |
| 1:00 AM | 7:30 PM (previous day) |
| 2:00 AM | 8:30 PM (previous day) |
| 3:00 AM | 9:30 PM (previous day) |
| 4:00 AM | 10:30 PM (previous day) |
| 5:00 AM | 11:30 PM (previous 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 |
Frequently Asked Questions
How many hours ahead is GMT of IST?
GMT is currently 5½ hours behind IST. IST is India Standard Time (Asia/Kolkata); GMT is Greenwich Mean Time (Etc/GMT).
What time is 9:00 AM IST in GMT?
9:00 AM IST is 3:30 AM GMT today. Use the converter above for any other time — it calculates with today's actual offsets.
Do IST and GMT observe daylight saving time?
No — neither zone observes daylight saving time. India does not observe daylight saving time — IST is UTC+5:30 year-round, and GMT is fixed at UTC+0 year-round (note: the UK itself switches to BST in summer). The difference between them never changes.
When is the best time for a meeting between IST and GMT?
Working hours overlap between 3:00 PM and 6:00 PM IST (9:30 AM–12:30 PM GMT) — schedule meetings in that window so both sides stay inside a normal workday.