IST to BST: India Standard Time to British Summer Time

5 hours 30 minutes behind IST

BST compared with IST, right now. Swap: BST to IST ⇄

Find a time that works in both places

Hour comparison appears when this page finishes loading.

IST to BST conversion table

For Tuesday, November 3, 2026. Rows where both places are inside 9 AM–5 PM are highlighted.

ISTBST
12:00 AM6:30 PM (previous day)
1:00 AM7:30 PM (previous day)
2:00 AM8:30 PM (previous day)
3:00 AM9:30 PM (previous day)
4:00 AM10:30 PM (previous day)
5:00 AM11:30 PM (previous day)
6:00 AM12:30 AM
7:00 AM1:30 AM
8:00 AM2:30 AM
9:00 AM3:30 AM
10:00 AM4:30 AM
11:00 AM5:30 AM
12:00 PM6:30 AM
1:00 PM7:30 AM
2:00 PM8:30 AM
3:00 PM9:30 AM
4:00 PM10:30 AM
5:00 PM11:30 AM
6:00 PM12:30 PM
7:00 PM1:30 PM
8:00 PM2:30 PM
9:00 PM3:30 PM
10:00 PM4:30 PM
11:00 PM5:30 PM

About these time zones

IST: India Standard Time

India Standard Time (IST). All of India, including Mumbai, New Delhi, Bengaluru and Kolkata. IST is UTC+5:30 all year. IST can also mean Irish or Israel Standard Time; this page means India.

No clock change is scheduled; the offset stays the same all year.

BST: Greenwich Mean Time

British Summer Time (BST). The United Kingdom from late March to late October (UTC+1). In winter the UK returns to GMT. BST is also sometimes used for Bangladesh Standard Time (UTC+6); this page means British time.

Sunday, March 28, 2027: clocks go forward 1 hour at 1:00 AM local time (UTC+0 → UTC+1).

Questions about IST and BST time

What is the time difference between IST and BST?

The current difference is shown at the top of this page. IST uses India Standard Time (IST, UTC+5:30) all year; BST uses Greenwich Mean Time (GMT, UTC+0) as standard time and British Summer Time (BST, UTC+1) during daylight saving time. The difference can change if only one side observes daylight saving time or if their clocks change on different dates. Choose your meeting date in the converter to check the applicable offset.

When it is 9:00 AM in IST, what time is it in BST?

On Tuesday, November 3, 2026, 9:00 AM in IST was 3:30 AM in BST. The conversion table above shows today’s values.

Do the clocks change in IST or BST?

IST does not change its clocks. BST: Sunday, March 28, 2027: clocks go forward 1 hour at 1:00 AM local time (UTC+0 → UTC+1).

Is IST the same as IST?

India Standard Time does not use daylight saving time, so IST applies all year.

Convert any date, time and city · Meeting planner for three or more places

What would you like to work out?