Bangladesh Time to AST Converter
AST is 10 hours behind BST. 9:00 AM BST = 11:00 PM AST (previous day).
AST is 10 hours behind BST at the moment. To convert Bangladesh Time to AST, subtract 10 hours from the Bangladesh Time time: 9:00 AM BST = 11:00 PM AST (previous day).
Bangladesh Time (Bangladesh Time) is used in Bangladesh (UTC+6). AST (Atlantic Time) is used in Nova Scotia, New Brunswick, PEI; Puerto Rico and the Eastern Caribbean (all year).
AST here is Atlantic Standard Time, not Arabia Standard Time.
Bangladesh Time to AST time conversion table
Bangladesh Time to AST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Bangladesh Time | AST | Day |
|---|---|---|
| 12:00 AM BST | 2:00 PM AST | previous day |
| 1:00 AM BST | 3:00 PM AST | previous day |
| 2:00 AM BST | 4:00 PM AST | previous day |
| 3:00 AM BST | 5:00 PM AST | previous day |
| 4:00 AM BST | 6:00 PM AST | previous day |
| 5:00 AM BST | 7:00 PM AST | previous day |
| 6:00 AM BST | 8:00 PM AST | previous day |
| 7:00 AM BST | 9:00 PM AST | previous day |
| 8:00 AM BST | 10:00 PM AST | previous day |
| 9:00 AM BST | 11:00 PM AST | previous day |
| 10:00 AM BST | 12:00 AM AST | night |
| 11:00 AM BST | 1:00 AM AST | night |
| 12:00 PM BST | 2:00 AM AST | night |
| 1:00 PM BST | 3:00 AM AST | night |
| 2:00 PM BST | 4:00 AM AST | night |
| 3:00 PM BST | 5:00 AM AST | night |
| 4:00 PM BST | 6:00 AM AST | — |
| 5:00 PM BST | 7:00 AM AST | — |
| 6:00 PM BST | 8:00 AM AST | — |
| 7:00 PM BST | 9:00 AM AST | — |
| 8:00 PM BST | 10:00 AM AST | — |
| 9:00 PM BST | 11:00 AM AST | — |
| 10:00 PM BST | 12:00 PM AST | — |
| 11:00 PM BST | 1:00 PM AST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Bangladesh Time to AST
Subtract 10 hours from the Bangladesh Time time to get AST.
Example: 9:00 AM BST = 11:00 PM AST (previous day).
Across midnight: 1:00 AM BST = 3:00 PM AST (previous day). The date changes, so always check the day as well as the hour.
Time difference between Bangladesh Time and AST
The time difference between Bangladesh Time and AST 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 – 7 Mar 2026: AST is 10 hours behind of Bangladesh Time.
- 8 Mar 2026 – 31 Oct 2026: AST is 9 hours behind of Bangladesh Time.
- 1 Nov 2026 – 31 Dec 2026: AST is 10 hours behind of Bangladesh Time.
Bangladesh Time and AST during daylight saving time
- Bangladesh Time does not observe daylight saving time; it stays on UTC+6 all year.
- AST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from AST (UTC−4) to ADT (UTC−3).
Best time for a meeting between Bangladesh Time and AST
Bangladesh Time and AST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM BST, which is 9:00 PM AST.
Bangladesh Time to AST FAQ
What is the time difference between Bangladesh Time and AST?
Right now AST is 10 hours behind BST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Bangladesh Time in AST?
9:00 AM BST is 11:00 PM AST (previous day).
What is 12 PM (noon) Bangladesh Time in AST?
12:00 PM BST is 2:00 AM AST.
Is AST ahead of or behind Bangladesh Time?
AST is 10 hours behind BST, so it is earlier in AST than in Bangladesh Time.
Does Bangladesh Time change for daylight saving time?
No. Bangladesh Time stays on the same offset all year, so conversions never shift for daylight saving time.
Does AST change for daylight saving time?
Yes. AST next changes on 14 Mar 2027, when clocks go forward one hour from AST to ADT.
What is the best time for a meeting between Bangladesh Time and AST?
Bangladesh Time and AST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM BST, which is 9:00 PM AST.
Related conversions
Convert AST to Bangladesh Time
Convert Bangladesh Time to other time zones
Convert other time zones to AST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.