BST to Chittagong Time Converter
BST is 6 hours ahead of GMT. 9:00 AM GMT = 3:00 PM BST.
BST is 6 hours ahead of GMT at the moment. To convert BST to Chittagong Time, add 6 hours to the BST time: 9:00 AM GMT = 3:00 PM BST.
BST (British Time) is used in United Kingdom from late March to late October. Chittagong Time (Chittagong time) is used in Chittagong, Bangladesh.
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 Chittagong Time time conversion table
BST to Chittagong Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| BST | Chittagong Time |
|---|---|
| 12:00 AM | 6:00 AM |
| 1:00 AM | 7:00 AM |
| 2:00 AM | 8:00 AM |
| 3:00 AM | 9:00 AM |
| 4:00 AM | 10:00 AM |
| 5:00 AM | 11:00 AM |
| 6:00 AM | 12:00 PM |
| 7:00 AM | 1:00 PM |
| BST | Chittagong Time |
|---|---|
| 8:00 AM | 2:00 PM |
| 9:00 AM | 3:00 PM |
| 10:00 AM | 4:00 PM |
| 11:00 AM | 5:00 PM |
| 12:00 PM | 6:00 PM |
| 1:00 PM | 7:00 PM |
| 2:00 PM | 8:00 PM |
| 3:00 PM | 9:00 PM |
| BST | Chittagong Time |
|---|---|
| 4:00 PM | 10:00 PM |
| 5:00 PM | 11:00 PM |
| 6:00 PM | 12:00 AM+1 |
| 7:00 PM | 1:00 AM+1 |
| 8:00 PM | 2:00 AM+1 |
| 9:00 PM | 3:00 AM+1 |
| 10:00 PM | 4:00 AM+1 |
| 11:00 PM | 5:00 AM+1 |
Conversion table from BST to Chittagong Time for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in Chittagong Time, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert BST to Chittagong Time
Add 6 hours to the BST time to get Chittagong Time.
Example: 9:00 AM GMT = 3:00 PM BST.
Across midnight: 10:00 PM GMT = 4:00 AM BST (next day). The date changes, so always check the day as well as the hour.
Time difference between BST and Chittagong Time
The time difference between BST and Chittagong 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: Chittagong Time is 6 hours ahead of BST.
- 29 Mar 2026 – 24 Oct 2026: Chittagong Time is 5 hours ahead of BST.
- 25 Oct 2026 – 31 Dec 2026: Chittagong Time is 6 hours ahead of BST.
BST and Chittagong 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).
- Chittagong Time does not observe daylight saving time; it stays on UTC+6 all year.
Best time for a meeting between BST and Chittagong Time
BST and Chittagong Time share 2 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 11:00 AM GMT lands between 3:00 PM and 5:00 PM BST, inside working hours for both.
BST to Chittagong Time FAQ
What is the time difference between BST and Chittagong Time?
Right now BST is 6 hours 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 Chittagong Time?
9:00 AM GMT is 3:00 PM BST.
What is 12 PM (noon) BST in Chittagong Time?
12:00 PM GMT is 6:00 PM BST.
Is Chittagong Time ahead of or behind BST?
BST is 6 hours ahead of GMT, so it is later in Chittagong 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 Chittagong Time change for daylight saving time?
No. Chittagong 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 Chittagong Time?
BST and Chittagong Time share 2 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 11:00 AM GMT lands between 3:00 PM and 5:00 PM BST, inside working hours for both.
Related conversions
Convert Chittagong Time to BST
Convert BST to other time zones
Convert other time zones to Chittagong Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.