Osaka to Moscow
-6hOsaka
JSTSOURCEMoscow
MSKGreen rows indicate typical business hours (9 AM - 5 PM)
JST and MSK on the World Map
The map below highlights the JST (Japan Standard Time) and MSK (Moscow Standard 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.
MSK – Moscow Standard Time
UTC+03:00Moscow Standard Time (MSK) is the time zone for Moscow and western Russia, 3 hours ahead of UTC.
- •All Russian train timetables use Moscow Time, regardless of location.
- •Russia abolished daylight saving time in 2011.
- •Moscow is the most populous city in Europe with over 12 million residents.
- •MSK shares the offset with Saudi Arabia (AST) and East Africa (EAT).
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 Moscow
WikipediaMoscow operates on Moscow Standard Time (MSK), UTC+3. As Russia's capital and financial center, MSK is the reference timezone across Russia's 11 time zones.
Russia spans 11 time zones but Moscow Time (MSK) is the reference for all schedules.
Osaka to Moscow Time Difference – Complete Guide
Osaka runs on Japan Standard Time (JST) at UTC+09:00. Moscow runs on Moscow Standard Time (MSK) at UTC+03:00. That puts Osaka 6 hours behind Moscow — a difference of -6h at the current offsets.
In practice, when it is 9:00 AM in Osaka it is 3:00 AM in Moscow. Midnight in Osaka is 6:00 PM in Moscow. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Osaka to Moscow time conversion table
| Osaka (JST) | Moscow (MSK) | Day |
|---|---|---|
| 12:00 AM | 6:00 PM | previous day |
| 6:00 AM | 12:00 AM | same day |
| 7:00 AM | 1:00 AM | same day |
| 8:00 AM | 2:00 AM | same day |
| 9:00 AM | 3:00 AM | same day |
| 12:00 PM | 6:00 AM | same day |
| 3:00 PM | 9:00 AM | same day |
| 5:00 PM | 11:00 AM | same day |
| 6:00 PM | 12:00 PM | same day |
| 9:00 PM | 3:00 PM | same day |
Why people convert Osaka to Moscow time
- Scheduling a call from Osaka to Moscow: a 10:00 AM start in Osaka lands at 4:00 AM in Moscow, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Osaka and Moscow are inside the 9-to-5 working day between 3:00 PM and 5:00 PM JST time (9:00 AM–11:00 AM MSK). That is roughly 2 hours of usable overlap.
- Coordinating a Osaka-based team with Moscow 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 JST" is unambiguous; "3 PM" across a -6h gap is not.
- Block 3:00 PM–5:00 PM JST as the recurring meeting window if you work primarily from Osaka and need Moscow 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 MSK (Moscow Standard Time)
Moscow Standard Time (MSK) is the time zone used in Moscow, St. Petersburg, and much of western Russia. Russia abolished DST in 2011, so MSK is observed year-round. MSK is also the reference time for Russian railways – all train schedules in Russia are given in Moscow Time regardless of the actual local time zone.
Best time to call between Osaka and Moscow
Both Osaka and Moscow sit inside the 9 AM – 5 PM working day between 3:00 PM–5:00 PM JST, which is 9:00 AM–11:00 AM MSK. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Osaka and Moscow overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
Osaka is 6 hours behind Moscow (JST UTC+09:00 → MSK UTC+03:00). The shared working window is 3:00 PM–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 Moscow?
Osaka (JST, UTC+09:00) is 6 hours behind Moscow (MSK, UTC+03:00). The gap is currently -6h.
How do I convert Osaka time to Moscow time?
Add -6h to Osaka local time. For example, 9:00 AM in Osaka is 3:00 AM in Moscow.
What time is it in Moscow right now?
Moscow uses MSK at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -6h offset from Osaka.
What is the best time to call Moscow from Osaka?
Call between 3:00 PM and 5:00 PM JST — that maps to 9:00 AM–11:00 AM MSK and keeps both parties inside the working day.
Which is behind, Osaka or Moscow?
Osaka is 6 hours behind Moscow. When it is 12:00 PM in Osaka it is 6:00 AM in Moscow.
Do Osaka and Moscow use different time zones?
Osaka (Japan) uses JST at UTC+09:00, while Moscow (Russia) uses MSK at UTC+03:00. The IANA identifiers are Asia/Tokyo and Europe/Moscow.
Does daylight saving time affect the Osaka–Moscow difference?
Neither zone observes daylight saving time, so the -6h offset between Osaka and Moscow 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 Moscow?
Not normally. The -6h gap only pushes the date over the previous day.
What is the time difference between Osaka and Moscow?
Moscow is -6h 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 Moscow in?
Moscow operates on Moscow Standard Time (MSK), UTC+3. As Russia's capital and financial center, MSK is the reference timezone across Russia's 11 time zones.
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 Moscow?
Standard business hours in Moscow are 9:00 AM - 6:00 PM MSK.
What is the best time to schedule a call between Osaka and Moscow?
The best overlap for a call is when both cities are in business hours. Osaka works 9:00 AM - 6:00 PM JST and Moscow works 9:00 AM - 6:00 PM MSK (-6h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Osaka and Moscow?
Osaka uses JPY (¥) while Moscow uses RUB (₽). Check current exchange rates when planning travel or business between these cities.
How do Osaka and Moscow compare in size?
Osaka has a population of approximately 2.8 million (metro: 19 million), while Moscow has approximately 12.5 million (metro: 17.1 million).
What are the major landmarks in Osaka and Moscow?
Osaka is known for Osaka Castle, Dotonbori, Universal Studios Japan. Moscow is famous for Red Square, Kremlin, St. Basil's Cathedral.
Do Osaka and Moscow have stock exchanges?
Yes. Osaka has the OSE (Osaka Exchange - derivatives) and Moscow has the MOEX (Moscow Exchange). The -6h 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 MSK timezone?
Major cities in the MSK timezone include Moscow, St. Petersburg, Volgograd, Nizhny Novgorod, Kazan, Samara, Rostov-on-Don.
What is the UTC offset for MSK?
Moscow Standard Time (MSK) is at UTC+03:00.
What should I know about the MSK timezone?
All Russian train timetables use Moscow Time, regardless of location. Russia abolished daylight saving time in 2011.
When is it midnight in Osaka, what time is it in Moscow?
When it is 12:00 AM (midnight) in Osaka (JST), it is -6h later in Moscow (MSK).
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