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—
Dhaka · Chittagong
Compare working hours worldwide in the meeting planner across time zones.
Difference
AST vs BDT
UTC → UTC
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—
San Juan · Barbados · Halifax (winter)
BDT to AST converter
BDT to AST Converter
Convert BDT (Dhaka) to AST (San Juan) now. Live clocks, the current time difference, and a simple meeting window — free.
Asia/Dhaka
—
BDT → AST
To · Atlantic Standard Time
—
America/Puerto_Rico
Interactive diagram
Watch BDT convert into AST
Drag the Bangladesh hour. Watch the Atlantic clock change.
Bangladesh
9:00 AM BDT
—
AST ← BDT
Atlantic
—
Full-day chart
BDT to AST hourly conversion chart
Full-day table. Tap a row to copy. Labels follow daylight saving.
| Bangladesh | Atlantic | UTC offsets |
|---|
Meeting times
Best BDT to AST meeting window
Find hours that work on both sides. Then save the slot to your calendar.
Follow along
Step-by-step BDT to AST conversion
Four short steps to convert any BDT time to AST.
Choose BDT time
Select any hour in Bangladesh Standard Time. Smart mode uses Asia/Dhaka.
BDT to AST conversion guide
BDT to AST conversion guide
This BDT to AST converter shows Atlantic Standard Time (UTC−4) for any Bangladesh Standard Time (UTC+6) time. Use it to schedule between Dhaka and San Juan. Choose Smart DST for live city clocks. Choose Fixed mode when you only want the BDT and AST labels.
Bangladesh
BDT
UTC+6
Dhaka · Chittagong
BDT vs AST—
Atlantic
AST
UTC−4
San Juan · Barbados · Halifax (winter)
What is BDT to AST conversion?
BDT to AST conversion turns a BDT clock into the matching AST time. Use it for calls, travel, and teams in Dhaka and San Juan.
BDT to AST time difference
AST is 10 hours behind BDT. Subtract 10 hours from the BDT time to get AST. The live clocks at the top show the current BDT to AST gap.
BDT vs AST
BDT is UTC+6. AST is UTC−4. They are different names. If a region uses daylight saving, check the live labels.
BDT to AST now / current time
Need bdt to ast right now? Read the live clocks, or tap Use current time for an instant BDT → AST result.
BDT to AST time difference
Season / context — tap to explore
See how daylight saving can change this pair.
Bangladesh—
—BDT → AST
Atlantic—
Quick answers
Bangladesh
Bangladesh Standard Time (BDT)
UTC+6
Bangladesh Standard Time (BDT) is UTC+6. Smart DST uses the city clock Asia/Dhaka so daylight saving stays correct for Dhaka · Chittagong.
- Cities: Dhaka · Chittagong
- City clock: Asia/Dhaka
- Fixed BDT: UTC+6
- On this page it pairs with AST (UTC−4)
Atlantic
Atlantic Standard Time (AST)
UTC−4
Atlantic Standard Time (AST) is UTC−4. Smart DST uses America/Puerto_Rico for cities such as San Juan · Barbados · Halifax (winter).
- Cities: San Juan · Barbados · Halifax (winter)
- City clock: America/Puerto_Rico
- Fixed AST: UTC−4
- From BDT: AST is 10 hours behind BDT
BDT to AST FAQ
Common BDT to AST questions
What is the BDT to AST time difference?
AST is 10 hours behind BDT. Fixed labels: BDT = UTC+6, AST = UTC−4. Subtract 10 hours from the BDT time to get AST.
How do I convert BDT to AST quickly?
Subtract 10 hours from the BDT time to get AST. Example: 3:00 AM BDT → 5:00 PM AST. Or use the live BDT to AST converter above.
Is AST the same as BDT?
No. BDT is UTC+6 (Dhaka · Chittagong). AST is UTC−4 (San Juan · Barbados · Halifax (winter)).
What is a good BDT to AST meeting time?
AST is behind. Try 10:00 AM–3:00 PM BDT. That is about 12:00 AM–5:00 AM AST. Use the meeting planner on this page to export an ICS or Google Calendar invite.
What cities use BDT and AST?
BDT is common in Dhaka · Chittagong. AST is common in San Juan · Barbados · Halifax (winter). Smart DST uses Asia/Dhaka and America/Puerto_Rico.