Singapore to Osaka
+1hSingapore
SGTSOURCEOsaka
JSTGreen rows indicate typical business hours (9 AM - 5 PM)
SGT and JST on the World Map
The map below highlights the SGT (Singapore Standard Time) and JST (Japan Standard Time) timezone regions across the globe.
SGT – Singapore Standard Time
UTC+08:00Singapore Standard Time (SGT) is the time zone for Singapore, 8 hours ahead of UTC.
- •Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00).
- •Singapore does not observe daylight saving time.
- •The Singapore Exchange (SGX) operates on SGT.
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 Singapore
WikipediaSingapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.
The city-state has the world's highest percentage of millionaires, with 1 in 6 households.
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.
Everything You Need to Know About Singapore and Osaka Time
Singapore runs on Singapore Standard Time (SGT) at UTC+08:00. Osaka runs on Japan Standard Time (JST) at UTC+09:00. That puts Singapore 1 hour ahead of Osaka — a difference of +1h at the current offsets.
In practice, when it is 9:00 AM in Singapore it is 10:00 AM in Osaka. Midnight in Singapore is 1:00 AM in Osaka. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Singapore to Osaka time conversion table
| Singapore (SGT) | Osaka (JST) | Day |
|---|---|---|
| 12:00 AM | 1:00 AM | same day |
| 6:00 AM | 7:00 AM | same day |
| 7:00 AM | 8:00 AM | same day |
| 8:00 AM | 9:00 AM | same day |
| 9:00 AM | 10:00 AM | same day |
| 12:00 PM | 1:00 PM | same day |
| 3:00 PM | 4:00 PM | same day |
| 5:00 PM | 6:00 PM | same day |
| 6:00 PM | 7:00 PM | same day |
| 9:00 PM | 10:00 PM | same day |
Why people convert Singapore to Osaka time
- Scheduling a call from Singapore to Osaka: a 10:00 AM start in Singapore lands at 11:00 AM in Osaka, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Singapore and Osaka are inside the 9-to-5 working day between 9:00 AM and 4:00 PM SGT time (10:00 AM–5:00 PM JST). That is roughly 7 hours of usable overlap.
- Coordinating a Singapore-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 SGT" is unambiguous; "3 PM" across a +1h gap is not.
- Block 9:00 AM–4:00 PM SGT as the recurring meeting window if you work primarily from Singapore and need Osaka colleagues present.
About SGT (Singapore Standard Time)
Singapore Standard Time (SGT) is used in Singapore year-round. Singapore does not observe daylight saving time. Despite being geographically close to the UTC+07:00 zone, Singapore uses UTC+08:00 to align with major trading partners like China, Hong Kong, and Malaysia. Singapore is a major global financial hub.
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 Singapore and Osaka
Both Singapore and Osaka sit inside the 9 AM – 5 PM working day between 9:00 AM–4:00 PM SGT, which is 10:00 AM–5:00 PM JST. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Singapore and Osaka share 7 hours of working-hours overlap (9:00 AM–4:00 PM SGT), so scheduling a live meeting is straightforward.
Singapore is 1 hour ahead of Osaka (SGT UTC+08:00 → JST UTC+09:00). The shared working window is 9:00 AM–4:00 PM SGT. 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 Singapore and Osaka?
Singapore (SGT, UTC+08:00) is 1 hour ahead of Osaka (JST, UTC+09:00). The gap is currently +1h.
How do I convert Singapore time to Osaka time?
Add +1h to Singapore local time. For example, 9:00 AM in Singapore is 10:00 AM 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 +1h offset from Singapore.
What is the best time to call Osaka from Singapore?
Call between 9:00 AM and 4:00 PM SGT — that maps to 10:00 AM–5:00 PM JST and keeps both parties inside the working day.
Which is ahead, Singapore or Osaka?
Singapore is 1 hour ahead of Osaka. When it is 12:00 PM in Singapore it is 1:00 PM in Osaka.
Do Singapore and Osaka use different time zones?
Singapore (Singapore) uses SGT at UTC+08:00, while Osaka (Japan) uses JST at UTC+09:00. The IANA identifiers are Asia/Singapore and Asia/Tokyo.
Does daylight saving time affect the Singapore–Osaka difference?
Neither zone observes daylight saving time, so the +1h offset between Singapore and Osaka is fixed all year.
Which other cities share Singapore's time zone?
SGT also covers Singapore.
Which countries use SGT, Singapore's zone?
SGT is used in Singapore.
Is there a day difference between Singapore and Osaka?
Not normally. The +1h gap only pushes the date over for late-evening times.
What is the time difference between Singapore and Osaka?
Osaka is +1h from Singapore.
What timezone is Singapore in?
Singapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.
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 Singapore?
Standard business hours in Singapore are 9:00 AM - 6:00 PM SGT.
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 Singapore and Osaka?
The best overlap for a call is when both cities are in business hours. Singapore works 9:00 AM - 6:00 PM SGT and Osaka works 9:00 AM - 6:00 PM JST (+1h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Singapore and Osaka?
Singapore uses SGD (S$) while Osaka uses JPY (¥). Check current exchange rates when planning travel or business between these cities.
How do Singapore and Osaka compare in size?
Singapore has a population of approximately 5.5 million (metro: 5.9 million), while Osaka has approximately 2.8 million (metro: 19 million).
What are the major landmarks in Singapore and Osaka?
Singapore is known for Marina Bay Sands, Gardens by the Bay, Merlion. Osaka is famous for Osaka Castle, Dotonbori, Universal Studios Japan.
Do Singapore and Osaka have stock exchanges?
Yes. Singapore has the SGX (Singapore Exchange) and Osaka has the OSE (Osaka Exchange - derivatives). The +1h time difference affects trading hour overlaps between these exchanges.
Which countries use SGT (Singapore Standard Time)?
SGT is used in Singapore.
Does SGT observe daylight saving time?
No, SGT does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about SGT?
Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00). Singapore does not observe daylight saving time.
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 Singapore, what time is it in Osaka?
When it is 12:00 AM (midnight) in Singapore (SGT), it is +1h later in Osaka (JST).
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