IST to BST Time Converter
BST is 4 hours 30 minutes behind IST right now. 9:00 AM in IST is 4:30 AM in BST.
Time now: IST and BST
BST is 4 hours 30 minutes behind IST right now. The gap is not fixed: it is 5 hours 30 minutes at some times of the year and 4 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.
IST to BST conversion table
Every hour of the day, using today's time difference.
| IST | BST |
|---|---|
| 12:00 AM | 7:30 PMprevious day |
| 1:00 AM | 8:30 PMprevious day |
| 2:00 AM | 9:30 PMprevious day |
| 3:00 AM | 10:30 PMprevious day |
| 4:00 AM | 11:30 PMprevious 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 meet between IST and BST
Working hours overlap (9 AM – 6 PM in both places):
- 2:00 PM – 6:00 PM IST = 9:30 AM – 1:30 PM BST
The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.
Questions & answers
What is the time difference between IST and BST?
BST is 4 hours 30 minutes behind IST right now. The gap is not fixed: it is 5 hours 30 minutes at some times of the year and 4 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.
How do I convert IST to BST?
Subtract 4 hours 30 minutes from the IST time to get the BST time (at today's difference). 9:00 AM in IST is 4:30 AM in BST. Or use the converter above and pick any date and time.
What is the current time in BST?
It is 1:43 PM in BST on Thursday, October 8 (the converter above shows it live). At the same moment it is 6:13 PM in IST.
What is the best time for a meeting between IST and BST?
Between 9 AM and 6 PM in both places you can meet at 2:00 PM – 6:00 PM IST = 9:30 AM – 1:30 PM BST. Check the overlap section on this page for every option.
What does IST mean?
IST here means India Standard Time (UTC+05:30). India does not use daylight saving time. (The letters IST are also used for Irish and Israel time.)
What does BST mean?
The UK uses GMT in winter and BST in summer.