Dhaka to Oslo
-4hDhaka
BDSTSOURCEOslo
CESTGreen rows indicate typical business hours (9 AM - 5 PM)
BDST and CEST on the World Map
The map below highlights the BDST (Bangladesh Standard Time) and CEST (Central European 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).
CET – Central European Time
UTC+01:00Central European Time (CET) is used across most of Western and Central Europe, 1 hour ahead of UTC.
- •CET covers more European countries than any other time zone.
- •Spain uses CET despite being geographically aligned with GMT/WET.
- •The Frankfurt Stock Exchange, Euronext (Amsterdam/Paris), and Borsa Italiana operate on CET.
- •Over 500 million people live in the CET time zone.
- •France moved to CET during the German occupation in WWII and never switched back.
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 Oslo
WikipediaOslo operates on Central European Time (CET/CEST). As home to the world's largest sovereign wealth fund and major oil firms, Oslo influences global energy markets.
Oslo aims to be car-free by 2030.
Time Conversion Guide: Dhaka to Oslo
Dhaka runs on Bangladesh Standard Time (BDST) at UTC+06:00. Oslo runs on Central European Summer Time (CEST) at UTC+02:00, also currently on daylight saving time. That puts Dhaka 4 hours behind Oslo — a difference of -4h at the current offsets.
In practice, when it is 9:00 AM in Dhaka it is 5:00 AM in Oslo. Midnight in Dhaka is 8:00 PM in Oslo.Oslo observes daylight saving time while Dhaka does not, so the gap narrows or widens by an hour part of the year.
Dhaka to Oslo time conversion table
| Dhaka (BDST) | Oslo (CEST) | Day |
|---|---|---|
| 12:00 AM | 8:00 PM | previous day |
| 6:00 AM | 2:00 AM | same day |
| 7:00 AM | 3:00 AM | same day |
| 8:00 AM | 4:00 AM | same day |
| 9:00 AM | 5:00 AM | same day |
| 12:00 PM | 8:00 AM | same day |
| 3:00 PM | 11:00 AM | same day |
| 5:00 PM | 1:00 PM | same day |
| 6:00 PM | 2:00 PM | same day |
| 9:00 PM | 5:00 PM | same day |
Why people convert Dhaka to Oslo time
- Scheduling a call from Dhaka to Oslo: a 10:00 AM start in Dhaka lands at 6:00 AM in Oslo, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Dhaka and Oslo are inside the 9-to-5 working day between 1:00 PM and 5:00 PM BDST time (9:00 AM–1:00 PM CEST). That is roughly 4 hours of usable overlap.
- Coordinating a Dhaka-based team with Oslo 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 -4h gap is not.
- Block 1:00 PM–5:00 PM BDST as the recurring meeting window if you work primarily from Dhaka and need Oslo colleagues present.
- Oslo: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.
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 CET (Central European Time)
Central European Time (CET) is the standard time zone for most of Europe, covering over 30 countries from Spain to Poland, and from Norway to Italy. CET is 1 hour ahead of GMT and is used by the European Union's most populous nations. During summer, most CET countries switch to Central European Summer Time (CEST, UTC+02:00). Major European financial markets in Frankfurt, Paris, and Amsterdam operate on CET.
Best time to call between Dhaka and Oslo
Both Dhaka and Oslo sit inside the 9 AM – 5 PM working day between 1:00 PM–5:00 PM BDST, which is 9:00 AM–1:00 PM CEST. That gives roughly 4 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Dhaka and Oslo overlap for about 4 hours during the working day — enough for meetings if you avoid the edges of the window.
Dhaka is 4 hours behind Oslo (BDST UTC+06:00 → CEST UTC+02:00). The shared working window is 1:00 PM–5:00 PM BDST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Dhaka
Does not observe DST
Oslo
☀ Currently in DST
Standard: UTC+01:00 · DST: UTC+02:00
Clocks fall back on Sun, Oct 25, 2026
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 Oslo?
Dhaka (BDST, UTC+06:00) is 4 hours behind Oslo (CEST, UTC+02:00). The gap is currently -4h.
How do I convert Dhaka time to Oslo time?
Add -4h to Dhaka local time. For example, 9:00 AM in Dhaka is 5:00 AM in Oslo.
What time is it in Oslo right now?
Oslo uses CEST at UTC+02:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -4h offset from Dhaka.
What is the best time to call Oslo from Dhaka?
Call between 1:00 PM and 5:00 PM BDST — that maps to 9:00 AM–1:00 PM CEST and keeps both parties inside the working day.
Which is behind, Dhaka or Oslo?
Dhaka is 4 hours behind Oslo. When it is 12:00 PM in Dhaka it is 8:00 AM in Oslo.
Do Dhaka and Oslo use different time zones?
Dhaka (Bangladesh) uses BDST at UTC+06:00, while Oslo (Norway) uses CEST at UTC+02:00. The IANA identifiers are Asia/Dhaka and Europe/Oslo.
Does daylight saving time affect the Dhaka–Oslo difference?
Yes at the moment: Oslo is on daylight saving time and Dhaka is not, so the -4h gap shifts by an hour when exactly one of them changes clocks.
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 Oslo?
Not normally. The -4h gap only pushes the date over the previous day.
What is the time difference between Dhaka and Oslo?
Oslo is -4h 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 Oslo in?
Oslo operates on Central European Time (CET/CEST). As home to the world's largest sovereign wealth fund and major oil firms, Oslo influences global energy markets.
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 Oslo?
Standard business hours in Oslo are 8:00 AM - 4:00 PM CET.
What is the best time to schedule a call between Dhaka and Oslo?
The best overlap for a call is when both cities are in business hours. Dhaka works 9:00 AM - 5:00 PM BST and Oslo works 8:00 AM - 4:00 PM CET (-4h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Dhaka and Oslo?
Dhaka uses BDT (৳) while Oslo uses NOK (kr). Check current exchange rates when planning travel or business between these cities.
How do Dhaka and Oslo compare in size?
Dhaka has a population of approximately 10.3 million (metro: 22.5 million), while Oslo has approximately 693,000 (metro: 1.5 million).
What are the major landmarks in Dhaka and Oslo?
Dhaka is known for Lalbagh Fort, Ahsan Manzil, National Parliament House. Oslo is famous for Oslo Opera House, Vigeland Park, Akershus Fortress.
Do Dhaka and Oslo have stock exchanges?
Yes. Dhaka has the DSE (Dhaka Stock Exchange) and Oslo has the OSE (Oslo Stock Exchange). The -4h 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 CET timezone?
Major cities in the CET timezone include Paris, Berlin, Rome, Madrid, Amsterdam, Brussels, Vienna, Warsaw.
What is the UTC offset for CET?
Central European Time (CET) is at UTC+01:00. During daylight saving time, it shifts to CEST.
What should I know about the CET timezone?
CET covers more European countries than any other time zone. Spain uses CET despite being geographically aligned with GMT/WET.
When is it midnight in Dhaka, what time is it in Oslo?
When it is 12:00 AM (midnight) in Dhaka (BDST), it is -4h later in Oslo (CET).
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