Convert India Standard Time (IST) to UK Time. Live clocks, an instant converter, best-time-to-call overlap and an hourly reference table for London, United Kingdom.
India Standard Time (IST) is 4 hours 30 minutes ahead of London. That gap narrows by an hour while United Kingdom is on daylight saving time.
| IST | London (UK Time) |
|---|---|
| 00:00 | 7:30 PM prev day |
| 01:00 | 8:30 PM prev day |
| 02:00 | 9:30 PM prev day |
| 03:00 | 10:30 PM prev day |
| 04:00 | 11:30 PM prev day |
| 05:00 | 12:30 AM |
| 06:00 | 1:30 AM |
| 07:00 | 2:30 AM |
| 08:00 | 3:30 AM |
| 09:00 | 4:30 AM |
| 10:00 | 5:30 AM |
| 11:00 | 6:30 AM |
| 12:00 | 7:30 AM |
| 13:00 | 8:30 AM |
| 14:00 | 9:30 AM |
| 15:00 | 10:30 AM |
| 16:00 | 11:30 AM |
| 17:00 | 12:30 PM |
| 18:00 | 1:30 PM |
| 19:00 | 2:30 PM |
| 20:00 | 3:30 PM |
| 21:00 | 4:30 PM |
| 22:00 | 5:30 PM |
| 23:00 | 6:30 PM |
Best time to call: 1:30 PM – 6:00 PM IST
India Standard Time is the one time zone used across the entire country, set 5 hours 30 minutes ahead of UTC. It was adopted in 1947, based on a meridian 82.5°E of Greenwich that runs near Mirzapur, Uttar Pradesh.
UK Time is the time zone used in United Kingdom, at UTC+0 standard time. Clocks move forward to UTC+1 for part of the year and back again when daylight saving time ends.
India Standard Time (IST) is the single time zone used across all of India, fixed at UTC+5:30. Every state and city runs on the same clock; India does not use daylight saving time.
India Standard Time (IST) is 4 hours 30 minutes ahead of London. This narrows or widens by an hour when daylight saving time starts or ends on their side.
IST is ahead of London, by 4 hours 30 minutes.
When it is 12:00 PM IST, it is 7:30 AM in London.
When it is 5:00 PM in London, it is 9:30 PM IST.
No. India Standard Time stays at UTC+5:30 all year - it has not used daylight saving since a brief trial during the 1962 and 1965 wars.
Yes - London observes daylight saving time, so the time difference with India shifts by an hour for part of the year.
India never changes its clocks, but United Kingdom does. When United Kingdom is on its daylight saving time, the gap with IST shrinks by an hour; when it switches back to standard time, the gap returns to its usual width.
United Kingdom next changes its clocks on October 25, 2026, switching to GMT - the gap with India shifts by an hour from that date.
Best time to call: 1:30 PM – 6:00 PM IST
Use the live clock above for the current time in London (UK Time), updated every second.
Use the interactive converter above - pick a time in either zone and the other updates instantly. The hourly reference table further down covers every hour of the day.