IST to United Kingdom time converter
United Kingdom is 4 hours 30 minutes behind IST. When it is 9:00 AM in IST, it is 4:30 AM in United Kingdom.
IST UTC+5:30
Saturday, October 17, 2026
United Kingdom BST
Saturday, October 17, 2026
9:28 PM in IST, Saturday, October 17, 2026
IST to United Kingdom conversion table
Every hour of today in IST and the matching time in United Kingdom. Light rows are typical working hours (9:00–18:00).
| IST | United Kingdom |
|---|---|
| 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 |
Best time to call or meet
Both sides are at work from 1:30 PM – 6:00 PM in IST (9:00 AM – 1:30 PM in United Kingdom).
Daylight saving time and the difference
The difference changes during the year because IST and United Kingdom switch clocks on different dates:
- Oct 17, 2026 – Oct 25, 2026: -4h 30m
- Oct 25, 2026 – Mar 28, 2027: -5h 30m
- Mar 28, 2027 – Oct 17, 2027: -4h 30m
More conversions
Questions and answers
What is the time difference between IST and United Kingdom?
United Kingdom is 4 hours 30 minutes behind IST.
What time is it in United Kingdom when it is 9 AM in IST?
When it is 9:00 AM in IST, it is 4:30 AM in United Kingdom.
When is the best time to call United Kingdom from IST?
Both sides are at work from 1:30 PM – 6:00 PM in IST (9:00 AM – 1:30 PM in United Kingdom).
Does the time difference between IST and United Kingdom change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.