UK to IST converter
India Standard Time (IST) is 4 hours 30 minutes ahead of UK time (UK) for most of the year, and 5 hours 30 minutes for the rest because of daylight saving time.
UK time · GMT
9:01 AM
Sunday 25 October
India Standard Time · IST
2:31 PM
Sunday 25 October
Right now, India Standard Time is 5 hours 30 minutes ahead of UK time. Updates live from your device’s clock.
Hour by hour
Today’s conversion. Green dots mark 9-to-5 working hours.
| UK | IST |
|---|---|
| 12:00 AM | 4:30 AM |
| 1:00 AM | 5:30 AM |
| 2:00 AM | 7:30 AM |
| 3:00 AM | 8:30 AM |
| 4:00 AM | 9:30 AM |
| 5:00 AM | 10:30 AM |
| 6:00 AM | 11:30 AM |
| 7:00 AM | 12:30 PM |
| 8:00 AM | 1:30 PM |
| 9:00 AM | 2:30 PM |
| 10:00 AM | 3:30 PM |
| 11:00 AM | 4:30 PM |
| 12:00 PM | 5:30 PM |
| 1:00 PM | 6:30 PM |
| 2:00 PM | 7:30 PM |
| 3:00 PM | 8:30 PM |
| 4:00 PM | 9:30 PM |
| 5:00 PM | 10:30 PM |
| 6:00 PM | 11:30 PM |
| 7:00 PM | 12:30 AMnext day |
| 8:00 PM | 1:30 AMnext day |
| 9:00 PM | 2:30 AMnext day |
| 10:00 PM | 3:30 AMnext day |
| 11:00 PM | 4:30 AMnext day |
Best time to meet
When both sides are inside 9 AM–5 PM on a weekday, in winter and in summer. If there’s no overlap, we show when both are awake (8 AM–9 PM).
Mid-January
- 9:00 AM–11:30 AMin UK=2:30 PM–5:00 PMin IST
Mid-July
- 9:00 AM–12:30 PMin UK=1:30 PM–5:00 PMin IST
When the gap changes
- 25 October 2026 → 28 March 2027IST +5h 30m
- 28 March 2027 → 31 October 2027IST +4h 30m
The UK is on GMT (UTC+0) in winter and British Summer Time, BST (UTC+1), from the last Sunday of March to the last Sunday of October.
India Standard Time is UTC+5:30 all year. India doesn't use daylight saving time, so every change in the gap comes from the other side.
Questions
What is the time difference between UK time and India Standard Time?
India Standard Time is 4 hours 30 minutes ahead of UK time for most of the year. Because of daylight saving time, the gap is 5 hours 30 minutes for part of the year.
If it's 9 AM in UK time, what time is it in India Standard Time?
When it's 9:00 AM in UK time, it's 2:30 PM in India Standard Time. At 5:00 PM in UK time, it's 10:30 PM in India Standard Time. (Based on today's offsets.)
What is the best time for a call between UK time and India Standard Time?
Working hours overlap from 9:00 AM to 11:30 AM in UK time, which is 2:30 PM to 5:00 PM in India Standard Time.
Does UK time use daylight saving time?
Yes. UK time's next clock changes are on Sunday, 25 October 2026 (back one hour) and Sunday, 28 March 2027 (forward one hour).
Does India Standard Time use daylight saving time?
No. India Standard Time stays on the same offset all year.