The short answer
1am in British Summer Time is 5:30am in India Standard Time.
British Summer Time is 4 hours 30 minutes behind India Standard Time. It lands deep outside working hours in India Standard Time — see the best time to meet below for a friendlier slot.
British Summer Time☾
1am
India Standard Time☀
5:30am
Right now
9:59amBST · UTC+01:00 · Mon, Jun 22
2:29pmIST · UTC+05:30 · Mon, Jun 22
Read across to convert
British Summer Time
BST · UTC+01:00
India Standard Time
IST · UTC+05:30
Pinned1amBritish Summer Time=5:30amIndia Standard Time
12amMon
4:30am
PINNED
1am
5:30am
2am
6:30am
3am
7:30am
4am
8:30am
5am
9:30am
WORK6am
10:30am
WORK7am
11:30am
WORK8am
12:30pm
WORKNOW
9am
WORK1:30pm
WORK10am
WORK2:30pm
WORK11am
WORK3:30pm
WORK12pm
WORK4:30pm
WORK1pm
WORK5:30pm
2pm
WORK6:30pm
3pm
WORK7:30pm
4pm
WORK8:30pm
5pm
9:30pm
6pm
10:30pm
7pm
11:30pm
8pm
12:30amTue ·+1d
9pm
1:30amTue ·+1d
10pm
2:30amTue ·+1d
11pm
3:30amTue ·+1d
daylightnightworking hoursoverlap
Best time to meet=
Best for a call
British Summer Time
9am–1pm
India Standard Time
1:30pm–5:30pm
Popular conversions
Quick reference.
9amBritish Summer Time=1:30pmIndia Standard Time
12pmBritish Summer Time=4:30pmIndia Standard Time
3pmBritish Summer Time=7:30pmIndia Standard Time
5pmBritish Summer Time=9:30pmIndia Standard Time
9pmBritish Summer Time=1:30amIndia Standard Time · next day
In context
What each side covers.
British Summer Time
9:59amBST · UTC+01:00
Cities on this clock
India Standard Time
2:29pmIST · UTC+05:30
Did you mean…? “BST” is shared by several places. This page shows British Summer Time (UK) — or switch to Bangladesh Standard Time.
Did you mean…? “IST” is shared by several places. This page shows India Standard Time (India) — or switch to Israel Standard Time · Irish Standard Time.
Related converters
Other popular pairs.
Pacific Time
1:59am
India Standard Time
2:29pm
Pacific Time to India12 hours 30 minutes behind
Eastern Standard Time
4:59am
Central European Time
10:59am
Eastern Time to Central Europe6 hours behind
India Standard Time
2:29pm
Eastern Standard Time
4:59am
India to Eastern Time9 hours 30 minutes ahead
Greenwich Mean Time
9:59am
India Standard Time
2:29pm
London to India4 hours 30 minutes behind
Pacific Standard Time
1:59am
Eastern Standard Time
4:59am
Pacific to Eastern Time3 hours behind
Central European Time
10:59am
India Standard Time
2:29pm
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between British Summer Time and India Standard Time. Can't find what you need? Email [email protected].
- What is the time difference between British Summer Time and India Standard Time?
- British Summer Time is 4 hours 30 minutes behind India Standard Time right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
- When it's 1am in British Summer Time, what time is it in India Standard Time?
- 1am in British Summer Time is 5:30am in India Standard Time. It lands deep outside working hours in India Standard Time — see the best time to meet below for a friendlier slot. Use the hour-by-hour table above to read any other time across.
- What's the best time for a call between British Summer Time and India Standard Time?
- 9am–1pm in British Summer Time lines up with 1:30pm–5:30pm in India Standard Time — both sides are inside a 9-to-5 working day.
- Does this account for daylight saving time?
- Yes. We track every clock change in both places, so the abbreviations you see — BST and IST — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
- Why is the date sometimes different on each side?
- When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.