IST to GMT
IST (India Standard Time, UTC+5:30) and GMT (Greenwich Mean Time, UTC+0) are fixed offsets, so the gap never changes: GMT is always 5 hours 30 minutes behind IST. Use the table below to convert any IST time to GMT.
GMT is 5 hours 30 minutes behind IST.
IST here means India Standard Time (UTC+5:30) — not Irish or Israel time.
IST to GMT conversion table
| IST | GMT |
|---|---|
| 12:00 AM | 6:30 PM (−1 day) |
| 1:00 AM | 7:30 PM (−1 day) |
| 2:00 AM | 8:30 PM (−1 day) |
| 3:00 AM | 9:30 PM (−1 day) |
| 4:00 AM | 10:30 PM (−1 day) |
| 5:00 AM | 11:30 PM (−1 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 |
FAQ
What is the IST to GMT time difference?
GMT is 5 hours 30 minutes behind IST. Both are fixed named offsets (IST is UTC+5:30, GMT is UTC+0), so unlike a city-to-city comparison this gap does not move — the conversion table below is the same every day of the year.
What time is 9 AM IST in GMT?
9 AM IST is 3:30 AM GMT. The full 24-hour table above lists every hour so you can convert any IST time to GMT at a glance.
Is IST ahead of or behind GMT?
GMT is 5 hours 30 minutes behind IST, which is the same as saying IST is 5 hours 30 minutes ahead of GMT.
Does IST to GMT change with daylight saving?
The IST↔GMT offset itself never changes. Note: IST here means India Standard Time (UTC+5:30) — not Irish or Israel time.
Other conversions
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