BST to Kalyan Time Converter

IST is 5 hours 30 minutes ahead of GMT. 9:00 AM GMT = 2:30 PM IST.

⇄ Swap
BSTfrom
British Summer Time
--:--
 
Kalyan, India
--:--
 

IST is 5 hours 30 minutes ahead of GMT at the moment. To convert BST to Kalyan Time, add 5 hours 30 minutes to the BST time: 9:00 AM GMT = 2:30 PM IST.

BST (British Time) is used in United Kingdom from late March to late October. Kalyan Time (Kalyan time) is used in Kalyan, India.

BST here means British Summer Time, not Bangladesh Standard Time. BST (British Summer Time) is not in force right now: United Kingdom from late March to late October is currently on GMT. This page uses whichever name applies on the date you pick, so the numbers below say GMT.

BST to Kalyan Time time conversion table

BST to Kalyan Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

BSTKalyan TimeDay
12:00 AM GMT5:30 AM ISTnight
1:00 AM GMT6:30 AM IST—
2:00 AM GMT7:30 AM IST—
3:00 AM GMT8:30 AM IST—
4:00 AM GMT9:30 AM IST—
5:00 AM GMT10:30 AM IST—
6:00 AM GMT11:30 AM IST—
7:00 AM GMT12:30 PM IST—
8:00 AM GMT1:30 PM IST—
9:00 AM GMT2:30 PM ISTwork hours
10:00 AM GMT3:30 PM ISTwork hours
11:00 AM GMT4:30 PM ISTwork hours
12:00 PM GMT5:30 PM IST—
1:00 PM GMT6:30 PM IST—
2:00 PM GMT7:30 PM IST—
3:00 PM GMT8:30 PM IST—
4:00 PM GMT9:30 PM IST—
5:00 PM GMT10:30 PM ISTnight
6:00 PM GMT11:30 PM ISTnight
7:00 PM GMT12:30 AM ISTnext day
8:00 PM GMT1:30 AM ISTnext day
9:00 PM GMT2:30 AM ISTnext day
10:00 PM GMT3:30 AM ISTnext day
11:00 PM GMT4:30 AM ISTnext day
  • Work rows — 9 AM–5 PM in both places
  • Night in the destination (10 PM–6 AM)

How to convert BST to Kalyan Time

Add 5 hours 30 minutes to the BST time to get Kalyan Time.

Example: 9:00 AM GMT = 2:30 PM IST.

Across midnight: 10:00 PM GMT = 3:30 AM IST (next day). The date changes, so always check the day as well as the hour.

Time difference between BST and Kalyan Time

The time difference between BST and Kalyan Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:

  • 1 Jan 2026 – 28 Mar 2026: Kalyan Time is 5 hours 30 minutes ahead of BST.
  • 29 Mar 2026 – 24 Oct 2026: Kalyan Time is 4 hours 30 minutes ahead of BST.
  • 25 Oct 2026 – 31 Dec 2026: Kalyan Time is 5 hours 30 minutes ahead of BST.

BST and Kalyan Time during daylight saving time

  • BST next changes on 28 Mar 2027: clocks go forward one hour at 00:59 local time, from GMT (UTC+0) to BST (UTC+1).
  • Kalyan Time does not observe daylight saving time; it stays on UTC+5:30 all year.

Best time for a meeting between BST and Kalyan Time

BST and Kalyan Time share 2 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 11:30 AM GMT lands between 2:30 PM and 5:00 PM IST, inside working hours for both.

Plan a meeting across more time zones.

BST to Kalyan Time FAQ

What is the time difference between BST and Kalyan Time?

Right now IST is 5 hours 30 minutes ahead of GMT. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.

What is 9 AM BST in Kalyan Time?

9:00 AM GMT is 2:30 PM IST.

What is 12 PM (noon) BST in Kalyan Time?

12:00 PM GMT is 5:30 PM IST.

Is Kalyan Time ahead of or behind BST?

IST is 5 hours 30 minutes ahead of GMT, so it is later in Kalyan Time than in BST.

Does BST change for daylight saving time?

Yes. BST next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.

Does Kalyan Time change for daylight saving time?

No. Kalyan Time stays on the same offset all year, so conversions never shift for daylight saving time.

What is the best time for a meeting between BST and Kalyan Time?

BST and Kalyan Time share 2 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 11:30 AM GMT lands between 2:30 PM and 5:00 PM IST, inside working hours for both.

Related conversions

Convert Kalyan Time to BST

Convert BST to other time zones

Convert other time zones to Kalyan Time

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.