Dhaka to Osaka
+3hDhaka
BDSTSOURCEOsaka
JSTGreen rows indicate typical business hours (9 AM - 5 PM)
BDST and JST on the World Map
The map below highlights the BDST (Bangladesh Standard Time) and JST (Japan Standard 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).
JST – Japan Standard Time
UTC+09:00Japan Standard Time (JST) is the time zone for Japan, 9 hours ahead of UTC.
- •Japan does not observe daylight saving time.
- •Tokyo is the most populous metropolitan area in the world.
- •The Tokyo Stock Exchange operates from 9:00 AM to 3:00 PM JST.
- •JST is 14 hours ahead of EST and 9 hours ahead of GMT.
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 Osaka
WikipediaOsaka operates on Japan Standard Time (JST), UTC+9. As Japan's second economic center and a manufacturing hub, Osaka shares business hours with Tokyo.
Osaka Castle was originally built in 1583 and has been rebuilt several times.
Understanding the +3h Gap: Dhaka vs Osaka
Dhaka runs on Bangladesh Standard Time (BDST) at UTC+06:00. Osaka runs on Japan Standard Time (JST) at UTC+09:00. That puts Dhaka 3 hours ahead of Osaka — a difference of +3h at the current offsets.
In practice, when it is 9:00 AM in Dhaka it is 12:00 PM in Osaka. Midnight in Dhaka is 3:00 AM in Osaka. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Dhaka to Osaka time conversion table
| Dhaka (BDST) | Osaka (JST) | Day |
|---|---|---|
| 12:00 AM | 3:00 AM | same day |
| 6:00 AM | 9:00 AM | same day |
| 7:00 AM | 10:00 AM | same day |
| 8:00 AM | 11:00 AM | same day |
| 9:00 AM | 12:00 PM | same day |
| 12:00 PM | 3:00 PM | same day |
| 3:00 PM | 6:00 PM | same day |
| 5:00 PM | 8:00 PM | same day |
| 6:00 PM | 9:00 PM | same day |
| 9:00 PM | 12:00 AM | next day |
Why people convert Dhaka to Osaka time
- Scheduling a call from Dhaka to Osaka: a 10:00 AM start in Dhaka lands at 1:00 PM in Osaka, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Dhaka and Osaka are inside the 9-to-5 working day between 9:00 AM and 2:00 PM BDST time (12:00 PM–5:00 PM JST). That is roughly 5 hours of usable overlap.
- Coordinating a Dhaka-based team with Osaka 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 9:00 AM–2:00 PM BDST as the recurring meeting window if you work primarily from Dhaka and need Osaka 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 JST (Japan Standard Time)
Japan Standard Time (JST) is the standard time zone for all of Japan. Japan does not observe daylight saving time. JST is 9 hours ahead of UTC and 14 hours ahead of EST. The Tokyo Stock Exchange, the world's third largest by market capitalization, operates on JST. South Korea uses the same offset (KST) but it is a distinct time zone.
Best time to call between Dhaka and Osaka
Both Dhaka and Osaka sit inside the 9 AM – 5 PM working day between 9:00 AM–2:00 PM BDST, which is 12:00 PM–5:00 PM JST. That gives roughly 5 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Dhaka and Osaka share 5 hours of working-hours overlap (9:00 AM–2:00 PM BDST), so scheduling a live meeting is straightforward.
Dhaka is 3 hours ahead of Osaka (BDST UTC+06:00 → JST UTC+09:00). The shared working window is 9:00 AM–2:00 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 Osaka?
Dhaka (BDST, UTC+06:00) is 3 hours ahead of Osaka (JST, UTC+09:00). The gap is currently +3h.
How do I convert Dhaka time to Osaka time?
Add +3h to Dhaka local time. For example, 9:00 AM in Dhaka is 12:00 PM in Osaka.
What time is it in Osaka right now?
Osaka uses JST at UTC+09:00. 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 Osaka from Dhaka?
Call between 9:00 AM and 2:00 PM BDST — that maps to 12:00 PM–5:00 PM JST and keeps both parties inside the working day.
Which is ahead, Dhaka or Osaka?
Dhaka is 3 hours ahead of Osaka. When it is 12:00 PM in Dhaka it is 3:00 PM in Osaka.
Do Dhaka and Osaka use different time zones?
Dhaka (Bangladesh) uses BDST at UTC+06:00, while Osaka (Japan) uses JST at UTC+09:00. The IANA identifiers are Asia/Dhaka and Asia/Tokyo.
Does daylight saving time affect the Dhaka–Osaka difference?
Neither zone observes daylight saving time, so the +3h offset between Dhaka and Osaka 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 Osaka?
Not normally. The +3h gap only pushes the date over for late-evening times.
What is the time difference between Dhaka and Osaka?
Osaka 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 Osaka in?
Osaka operates on Japan Standard Time (JST), UTC+9. As Japan's second economic center and a manufacturing hub, Osaka shares business hours with Tokyo.
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 Osaka?
Standard business hours in Osaka are 9:00 AM - 6:00 PM JST.
What is the best time to schedule a call between Dhaka and Osaka?
The best overlap for a call is when both cities are in business hours. Dhaka works 9:00 AM - 5:00 PM BST and Osaka works 9:00 AM - 6:00 PM JST (+3h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Dhaka and Osaka?
Dhaka uses BDT (৳) while Osaka uses JPY (¥). Check current exchange rates when planning travel or business between these cities.
How do Dhaka and Osaka compare in size?
Dhaka has a population of approximately 10.3 million (metro: 22.5 million), while Osaka has approximately 2.8 million (metro: 19 million).
What are the major landmarks in Dhaka and Osaka?
Dhaka is known for Lalbagh Fort, Ahsan Manzil, National Parliament House. Osaka is famous for Osaka Castle, Dotonbori, Universal Studios Japan.
Do Dhaka and Osaka have stock exchanges?
Yes. Dhaka has the DSE (Dhaka Stock Exchange) and Osaka has the OSE (Osaka Exchange - derivatives). 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 JST timezone?
Major cities in the JST timezone include Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka.
What is the UTC offset for JST?
Japan Standard Time (JST) is at UTC+09:00.
What should I know about the JST timezone?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
When is it midnight in Dhaka, what time is it in Osaka?
When it is 12:00 AM (midnight) in Dhaka (BDST), it is +3h later in Osaka (JST).
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