Dhaka to Istanbul
-3hDhaka
BDSTSOURCEIstanbul
TRTGreen rows indicate typical business hours (9 AM - 5 PM)
BDST and TRT on the World Map
The map below highlights the BDST (Bangladesh Standard Time) and TRT (Turkey Time) timezone regions across the globe.
BDST – Bangladesh Standard Time
UTC+06:00Bangladesh Standard Time (BDST, UTC+06:00) is the time zone for Bangladesh, 6 hours ahead of UTC.
- •Bangladesh uses a single time zone, UTC+06:00, across the entire country.
- •Bangladesh does not observe daylight saving time, so the offset is fixed all year.
- •Dhaka is one of the most densely populated cities globally.
- •BDST is written here to distinguish it from British Summer Time (BST).
TRT – Turkey Time
UTC+03:00Turkey Time (TRT, UTC+03:00) is the single time zone used across Turkey, fixed year round since 2016.
- •Turkey has used a permanent UTC+03:00 since September 2016.
- •TRT is level with Moscow Standard Time and Arabia Standard Time all year.
- •Because Turkey kept summer time permanently, western cities see very late winter sunrises.
- •Turkey previously observed daylight saving time from 1973 to 2016.
About Dhaka
WikipediaDhaka operates on Bangladesh Standard Time (BST), UTC+6. As the world's second-largest garment hub, Dhaka time coordinates global fashion supply chains.
Bangladesh is the world's second-largest garment exporter after China.
About Istanbul
WikipediaIstanbul operates on Turkey Time (TRT), UTC+3 year-round. As a transcontinental city, Istanbul bridges European and Asian business hours.
The Grand Bazaar is one of the world's oldest and largest covered markets with 4,000+ shops.
Comparing Time Zones: Dhaka and Istanbul
Dhaka runs on Bangladesh Standard Time (BDST) at UTC+06:00. Istanbul runs on Türkiye Standard Time (TRT) at UTC+03:00. That puts Dhaka 3 hours behind Istanbul — a difference of -3h at the current offsets.
In practice, when it is 9:00 AM in Dhaka it is 6:00 AM in Istanbul. Midnight in Dhaka is 9:00 PM in Istanbul. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Dhaka to Istanbul time conversion table
| Dhaka (BDST) | Istanbul (TRT) | Day |
|---|---|---|
| 12:00 AM | 9:00 PM | previous day |
| 6:00 AM | 3:00 AM | same day |
| 7:00 AM | 4:00 AM | same day |
| 8:00 AM | 5:00 AM | same day |
| 9:00 AM | 6:00 AM | same day |
| 12:00 PM | 9:00 AM | same day |
| 3:00 PM | 12:00 PM | same day |
| 5:00 PM | 2:00 PM | same day |
| 6:00 PM | 3:00 PM | same day |
| 9:00 PM | 6:00 PM | same day |
Why people convert Dhaka to Istanbul time
- Scheduling a call from Dhaka to Istanbul: a 10:00 AM start in Dhaka lands at 7:00 AM in Istanbul, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Dhaka and Istanbul are inside the 9-to-5 working day between 12:00 PM and 5:00 PM BDST time (9:00 AM–2:00 PM TRT). That is roughly 5 hours of usable overlap.
- Coordinating a Dhaka-based team with Istanbul contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM BDST" is unambiguous; "3 PM" across a -3h gap is not.
- Block 12:00 PM–5:00 PM BDST as the recurring meeting window if you work primarily from Dhaka and need Istanbul colleagues present.
About BDST (Bangladesh Standard Time)
Bangladesh Standard Time (BDST) is the single time zone used across Bangladesh, fixed at UTC+06:00 all year. Bangladesh has not observed daylight saving time since a short-lived experiment in 2009, so the gap between Bangladesh and every other zone is constant. Dhaka, the capital, is one of the most densely populated cities in the world. Because the country sits close to the middle of the UTC+06:00 band, solar noon is near 12:00 for most of the year. BDST is listed separately from British Summer Time, which shares the BST abbreviation but is UTC+01:00.
About TRT (Turkey Time)
Turkey Time (TRT) is fixed at UTC+03:00 all year. Turkey abolished seasonal clock changes in September 2016, moving to a permanent UTC+03:00 so the whole country stays on what was formerly summer time. That leaves Istanbul, which sits close to 29°E, on an offset well ahead of its solar time — sunrise in mid-winter comes after 08:30 local. TRT shares its offset with Moscow Standard Time, Arabia Standard Time and East Africa Time, so Istanbul is level with Moscow and Riyadh all year and one hour ahead of Central European Time during the European winter.
Best time to call between Dhaka and Istanbul
Both Dhaka and Istanbul sit inside the 9 AM – 5 PM working day between 12:00 PM–5:00 PM BDST, which is 9:00 AM–2:00 PM TRT. That gives roughly 5 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Dhaka and Istanbul share 5 hours of working-hours overlap (12:00 PM–5:00 PM BDST), so scheduling a live meeting is straightforward.
Dhaka is 3 hours behind Istanbul (BDST UTC+06:00 → TRT UTC+03:00). The shared working window is 12:00 PM–5:00 PM BDST. Remember to re-check around daylight-saving transitions.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Dhaka and Istanbul?
Dhaka (BDST, UTC+06:00) is 3 hours behind Istanbul (TRT, UTC+03:00). The gap is currently -3h.
How do I convert Dhaka time to Istanbul time?
Add -3h to Dhaka local time. For example, 9:00 AM in Dhaka is 6:00 AM in Istanbul.
What time is it in Istanbul right now?
Istanbul uses TRT at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -3h offset from Dhaka.
What is the best time to call Istanbul from Dhaka?
Call between 12:00 PM and 5:00 PM BDST — that maps to 9:00 AM–2:00 PM TRT and keeps both parties inside the working day.
Which is behind, Dhaka or Istanbul?
Dhaka is 3 hours behind Istanbul. When it is 12:00 PM in Dhaka it is 9:00 AM in Istanbul.
Do Dhaka and Istanbul use different time zones?
Dhaka (Bangladesh) uses BDST at UTC+06:00, while Istanbul (Turkey) uses TRT at UTC+03:00. The IANA identifiers are Asia/Dhaka and Europe/Istanbul.
Does daylight saving time affect the Dhaka–Istanbul difference?
Neither zone observes daylight saving time, so the -3h offset between Dhaka and Istanbul is fixed all year.
Which other cities share Dhaka's time zone?
BDST also covers Dhaka, Chittagong, Khulna, Rajshahi, Sylhet.
Which countries use BDST, Dhaka's zone?
BDST is used in Bangladesh.
Is there a day difference between Dhaka and Istanbul?
Not normally. The -3h gap only pushes the date over the previous day.
What is the time difference between Dhaka and Istanbul?
Istanbul is -3h from Dhaka.
What timezone is Dhaka in?
Dhaka operates on Bangladesh Standard Time (BST), UTC+6. As the world's second-largest garment hub, Dhaka time coordinates global fashion supply chains.
What timezone is Istanbul in?
Istanbul operates on Turkey Time (TRT), UTC+3 year-round. As a transcontinental city, Istanbul bridges European and Asian business hours.
What are the business hours in Dhaka?
Standard business hours in Dhaka are 9:00 AM - 5:00 PM BST.
What are the business hours in Istanbul?
Standard business hours in Istanbul are 9:00 AM - 6:00 PM TRT.
What is the best time to schedule a call between Dhaka and Istanbul?
The best overlap for a call is when both cities are in business hours. Dhaka works 9:00 AM - 5:00 PM BST and Istanbul works 9:00 AM - 6:00 PM TRT (-3h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Dhaka and Istanbul?
Dhaka uses BDT (৳) while Istanbul uses TRY (₺). Check current exchange rates when planning travel or business between these cities.
How do Dhaka and Istanbul compare in size?
Dhaka has a population of approximately 10.3 million (metro: 22.5 million), while Istanbul has approximately 15.5 million (metro: 15.8 million).
What are the major landmarks in Dhaka and Istanbul?
Dhaka is known for Lalbagh Fort, Ahsan Manzil, National Parliament House. Istanbul is famous for Hagia Sophia, Blue Mosque, Topkapi Palace.
Do Dhaka and Istanbul have stock exchanges?
Yes. Dhaka has the DSE (Dhaka Stock Exchange) and Istanbul has the Borsa Istanbul. The -3h time difference affects trading hour overlaps between these exchanges.
Which countries use BDST (Bangladesh Standard Time)?
BDST is used in Bangladesh.
Does BDST observe daylight saving time?
No, BDST does not observe daylight saving time and remains at UTC+06:00 year-round.
What are some interesting facts about BDST?
Bangladesh uses a single time zone, UTC+06:00, across the entire country. Bangladesh does not observe daylight saving time, so the offset is fixed all year.
Which cities are in the TRT timezone?
Major cities in the TRT timezone include Istanbul, Ankara, Izmir, Bursa, Antalya.
What is the UTC offset for TRT?
Turkey Time (TRT) is at UTC+03:00.
What should I know about the TRT timezone?
Turkey has used a permanent UTC+03:00 since September 2016. TRT is level with Moscow Standard Time and Arabia Standard Time all year.
When is it midnight in Dhaka, what time is it in Istanbul?
When it is 12:00 AM (midnight) in Dhaka (BDST), it is -3h later in Istanbul (TRT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Dhaka time conversions
- dhaka to bdst
- dhaka to bangladesh
- dhaka to dubai
- dhaka to mumbai
- dhaka to delhi
- dhaka to bangalore
- dhaka to kathmandu
- dhaka to bangkok
- dhaka to singapore
- dhaka to hong kong
- dhaka to shanghai
- dhaka to beijing
- dhaka to tokyo
- dhaka to osaka
- dhaka to new york
- dhaka to london
- dhaka to sydney
- dhaka to los angeles
- dhaka to paris
- dhaka to berlin
- dhaka to toronto
- new york to dhaka
- london to dhaka
- dubai to dhaka
- tokyo to dhaka
- singapore to dhaka
- sydney to dhaka
- los angeles to dhaka
- paris to dhaka
- delhi to dhaka
- mumbai to dhaka
- berlin to dhaka
- hong kong to dhaka
- toronto to dhaka
- kathmandu to dhaka
See every conversion from Dhaka →·See every conversion from Istanbul →