Three numbers. The ones that decide the meeting.
When the world meets at work.
Read the day in both zones.
If it's this in Dhaka, it's that in Tehran.
When it's 8:00 am in Dhaka, it's 5:30 am in Tehran — morning there, the same day.
When it's 10:00 am in Dhaka, it's 7:30 am in Tehran — morning there, the same day.
When it's 12:00 pm in Dhaka, it's 9:30 am in Tehran — late morning there, the same day.
When it's 3:00 pm in Dhaka, it's 12:30 pm in Tehran — midday there, the same day.
When it's 5:00 pm in Dhaka, it's 2:30 pm in Tehran — afternoon there, the same day.
When it's 9:00 pm in Dhaka, it's 6:30 pm in Tehran — evening there, the same day.
Crossing the border. Money, language, plugs.
Money changes hands at the border: Dhaka uses the BDT (৳) and Tehran uses the IRR (﷼). Language shifts too — Bengali in Dhaka, Persian (Farsi) in Tehran. Be careful behind the wheel: Dhaka drives on the left, Tehran on the right.
- Country
- Bangladesh
- Capital
- Dhaka
- Currency
- Bangladeshi taka (BDT · ৳)
- Language
- Bengali
- Calling code
- +880
- Drives on
- Left
- Country
- Iran
- Capital
- Tehran
- Currency
- Iranian rial (IRR · ﷼)
- Language
- Persian (Farsi)
- Calling code
- +98
- Drives on
- Right
Quick answers. Before you book the call.
What's the time difference between Dhaka and Tehran?
Dhaka is 2.5 hours behind Tehran. Dhaka runs on GMT+6 and Tehran on GMT+3:30. The gap can shift by an hour when either side enters or leaves daylight saving — the live clocks above always reflect the current offset.
When it's 10 am in Dhaka, what time is it in Tehran?
10:00 am in Dhaka is 7:30 am in Tehran on the same day — morning there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.
When it's 3 pm in Dhaka, what time is it in Tehran?
3:00 pm in Dhaka is 12:30 pm in Tehran on the same day — midday there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.
When's the best time to schedule a meeting?
There are 5 hours where both cities are inside a 09:00–17:00 workday. Aim for the middle of that window so neither side is starting or closing out.
Does daylight saving time change the difference?
Yes, if either city observes DST. When one side shifts and the other doesn't, the gap changes by one hour. The DST badges under each clock show whether each zone is currently shifted and when the next transition lands.
How far is Dhaka from Tehran?
About 3,962 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 5h 10m, not counting airport time, winds, or routing around restricted airspace.
Can I send this meeting time as a calendar invite?
Yes. Pick a time on the slider above, open the meeting card, customize the title and duration, then download the .ics file. It imports cleanly into Google Calendar, Outlook, and Apple Calendar with the correct timezone attached.
What currency do Dhaka and Tehran use?
Dhaka uses the Bangladeshi taka (BDT, ৳); Tehran uses the Iranian rial (IRR, ﷼). Check the live rate before transferring money or paying with a card abroad — most banks add a 1–3 % FX margin on top of the mid-market rate.
How do I call Dhaka from Tehran?
Dial the international prefix used by your carrier (often 00), then +880, then the local number — drop any leading zero of the city or mobile code. For free calls, WhatsApp, Signal, and FaceTime work over Wi-Fi regardless of country code.
What language is spoken in Dhaka and Tehran?
Dhaka primarily speaks Bengali; Tehran speaks Persian (Farsi). English is widely used in business contexts in major cities of both, but written contracts may need translation.
Do Dhaka and Tehran drive on the same side of the road?
No. Bangladesh drives on the left, Iran on the right. If you're renting, expect a learning curve on the first day — especially at roundabouts and when judging the centre of the lane.