IST to UK
India Standard Time → UK Time (GMT/BST)
India Standard Time
2:27 PM
UTC+5:30
UK Time (GMT/BST)
9:57 AM
UTC+1
UK Time (GMT/BST) is 4 hours 30 minutes behind India Standard Time right now (IST UTC+5:30 → BST UTC+1). When it is 9:00 AM IST, it is 4:30 AM BST.
IST to UK table (22 October 2026)
| IST | BST |
|---|---|
| 12:00 AM | 7:30 PM (−1 day) |
| 1:00 AM | 8:30 PM (−1 day) |
| 2:00 AM | 9:30 PM (−1 day) |
| 3:00 AM | 10:30 PM (−1 day) |
| 4:00 AM | 11:30 PM (−1 day) |
| 5:00 AM | 12:30 AM |
| 6:00 AM | 1:30 AM |
| 7:00 AM | 2:30 AM |
| 8:00 AM | 3:30 AM |
| 9:00 AM | 4:30 AM |
| 10:00 AM | 5:30 AM |
| 11:00 AM | 6:30 AM |
| 12:00 PM | 7:30 AM |
| 1:00 PM | 8:30 AM |
| 2:00 PM | 9:30 AM |
| 3:00 PM | 10:30 AM |
| 4:00 PM | 11:30 AM |
| 5:00 PM | 12:30 PM |
| 6:00 PM | 1:30 PM |
| 7:00 PM | 2:30 PM |
| 8:00 PM | 3:30 PM |
| 9:00 PM | 4:30 PM |
| 10:00 PM | 5:30 PM |
| 11:00 PM | 6:30 PM |
Frequently asked questions
How many hours ahead is UK from IST?
UK is 4 hours 30 minutes behind IST at the moment.
Does the time difference change?
Yes. After 25 October 2026, when daylight saving time changes, the difference becomes 5 hours 30 minutes.
Is UK the same all year?
UK time is GMT (UTC+0) in winter and British Summer Time, BST (UTC+1), in summer.
Calculated from the IANA Time Zone Database (Asia/Kolkata, Europe/London).