Osaka to Bangkok
-2hOsaka
JSTSOURCEBangkok
ICTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and ICT on the World Map
The map below highlights the JST (Japan Standard Time) and ICT (Indochina Time) timezone regions across the globe.
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.
ICT – Indochina Time
UTC+07:00Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.
- •Bangkok is one of the most visited cities in the world.
- •ICT is 12 hours ahead of EST.
- •Thailand, Vietnam, and Cambodia all share ICT.
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.
About Bangkok
WikipediaBangkok operates on Indochina Time (ICT), UTC+7. As Southeast Asia's largest economy hub, Bangkok bridges East Asian and South Asian business hours.
Bangkok is one of the world's most visited cities, with over 22 million visitors annually.
Time Conversion Guide: Osaka to Bangkok
Osaka runs on Japan Standard Time (JST) at UTC+09:00. Bangkok runs on Indochina Time (ICT) at UTC+07:00. That puts Osaka 2 hours behind Bangkok — a difference of -2h at the current offsets.
In practice, when it is 9:00 AM in Osaka it is 7:00 AM in Bangkok. Midnight in Osaka is 10:00 PM in Bangkok. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Osaka to Bangkok time conversion table
| Osaka (JST) | Bangkok (ICT) | Day |
|---|---|---|
| 12:00 AM | 10:00 PM | previous day |
| 6:00 AM | 4:00 AM | same day |
| 7:00 AM | 5:00 AM | same day |
| 8:00 AM | 6:00 AM | same day |
| 9:00 AM | 7:00 AM | same day |
| 12:00 PM | 10:00 AM | same day |
| 3:00 PM | 1:00 PM | same day |
| 5:00 PM | 3:00 PM | same day |
| 6:00 PM | 4:00 PM | same day |
| 9:00 PM | 7:00 PM | same day |
Why people convert Osaka to Bangkok time
- Scheduling a call from Osaka to Bangkok: a 10:00 AM start in Osaka lands at 8:00 AM in Bangkok, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Osaka and Bangkok are inside the 9-to-5 working day between 11:00 AM and 5:00 PM JST time (9:00 AM–3:00 PM ICT). That is roughly 6 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Osaka is 6:00 PM in Bangkok makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM JST" is unambiguous; "3 PM" across a -2h gap is not.
- Block 11:00 AM–5:00 PM JST as the recurring meeting window if you work primarily from Osaka and need Bangkok colleagues present.
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.
About ICT (Indochina Time)
Indochina Time (ICT) is used across Southeast Asia including Vietnam, Thailand, Laos, and Cambodia. Indonesia (Western time, WIB) also uses UTC+07:00. ICT does not observe daylight saving time.
Best time to call between Osaka and Bangkok
Both Osaka and Bangkok sit inside the 9 AM – 5 PM working day between 11:00 AM–5:00 PM JST, which is 9:00 AM–3:00 PM ICT. That gives roughly 6 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Osaka and Bangkok share 6 hours of working-hours overlap (11:00 AM–5:00 PM JST), so scheduling a live meeting is straightforward.
Osaka is 2 hours behind Bangkok (JST UTC+09:00 → ICT UTC+07:00). The shared working window is 11:00 AM–5:00 PM JST. 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 Osaka and Bangkok?
Osaka (JST, UTC+09:00) is 2 hours behind Bangkok (ICT, UTC+07:00). The gap is currently -2h.
How do I convert Osaka time to Bangkok time?
Add -2h to Osaka local time. For example, 9:00 AM in Osaka is 7:00 AM in Bangkok.
What time is it in Bangkok right now?
Bangkok uses ICT at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -2h offset from Osaka.
What is the best time to call Bangkok from Osaka?
Call between 11:00 AM and 5:00 PM JST — that maps to 9:00 AM–3:00 PM ICT and keeps both parties inside the working day.
Which is behind, Osaka or Bangkok?
Osaka is 2 hours behind Bangkok. When it is 12:00 PM in Osaka it is 10:00 AM in Bangkok.
Do Osaka and Bangkok use different time zones?
Osaka (Japan) uses JST at UTC+09:00, while Bangkok (Thailand) uses ICT at UTC+07:00. The IANA identifiers are Asia/Tokyo and Asia/Bangkok.
Does daylight saving time affect the Osaka–Bangkok difference?
Neither zone observes daylight saving time, so the -2h offset between Osaka and Bangkok is fixed all year.
Which other cities share Osaka's time zone?
JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.
Which countries use JST, Osaka's zone?
JST is used in Japan.
Is there a day difference between Osaka and Bangkok?
Not normally. The -2h gap only pushes the date over the previous day.
What is the time difference between Osaka and Bangkok?
Bangkok is -2h from Osaka.
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 timezone is Bangkok in?
Bangkok operates on Indochina Time (ICT), UTC+7. As Southeast Asia's largest economy hub, Bangkok bridges East Asian and South Asian business hours.
What are the business hours in Osaka?
Standard business hours in Osaka are 9:00 AM - 6:00 PM JST.
What are the business hours in Bangkok?
Standard business hours in Bangkok are 8:30 AM - 5:30 PM ICT.
What is the best time to schedule a call between Osaka and Bangkok?
The best overlap for a call is when both cities are in business hours. Osaka works 9:00 AM - 6:00 PM JST and Bangkok works 8:30 AM - 5:30 PM ICT (-2h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Osaka and Bangkok?
Osaka uses JPY (¥) while Bangkok uses THB (฿). Check current exchange rates when planning travel or business between these cities.
How do Osaka and Bangkok compare in size?
Osaka has a population of approximately 2.8 million (metro: 19 million), while Bangkok has approximately 8.3 million (metro: 14.6 million).
What are the major landmarks in Osaka and Bangkok?
Osaka is known for Osaka Castle, Dotonbori, Universal Studios Japan. Bangkok is famous for Grand Palace, Wat Arun, Wat Pho.
Do Osaka and Bangkok have stock exchanges?
Yes. Osaka has the OSE (Osaka Exchange - derivatives) and Bangkok has the SET (Stock Exchange of Thailand). The -2h time difference affects trading hour overlaps between these exchanges.
Which countries use JST (Japan Standard Time)?
JST is used in Japan.
Does JST observe daylight saving time?
No, JST does not observe daylight saving time and remains at UTC+09:00 year-round.
What are some interesting facts about JST?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
Which cities are in the ICT timezone?
Major cities in the ICT timezone include Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
What is the UTC offset for ICT?
Indochina Time (ICT) is at UTC+07:00.
What should I know about the ICT timezone?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
When is it midnight in Osaka, what time is it in Bangkok?
When it is 12:00 AM (midnight) in Osaka (JST), it is -2h later in Bangkok (ICT).
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