Japan to MSK
-6hJapan
JSTSOURCEMSK
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).
Everything You Need to Know About Japan and MSK Time
Japan runs on Japan Standard Time (JST) at UTC+09:00. MSK runs on Moscow Standard Time (MSK) at UTC+03:00. That puts Japan 6 hours behind MSK — a difference of -6h at the current offsets.
In practice, when it is 9:00 AM in Japan it is 3:00 AM in MSK. Midnight in Japan is 6:00 PM in MSK. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Japan to MSK time conversion table
| Japan (JST) | MSK (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 Japan to MSK time
- Scheduling a call from Japan to MSK: a 10:00 AM start in Japan lands at 4:00 AM in MSK, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Japan and MSK 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.
- Watching a live event or market open: Japan viewers need 3:00 AM in MSK to catch a 9:00 AM start there, and 6:00 AM if the event is anchored to Japan.
- 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 Japan and need MSK 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 Japan and MSK
Both Japan and MSK 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
Japan and MSK overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
Japan is 6 hours behind MSK (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 Japan and MSK?
Japan (JST, UTC+09:00) is 6 hours behind MSK (MSK, UTC+03:00). The gap is currently -6h.
How do I convert Japan time to MSK time?
Add -6h to Japan local time. For example, 9:00 AM in Japan is 3:00 AM in MSK.
What time is it in MSK right now?
MSK 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 Japan.
What is the best time to call MSK from Japan?
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, Japan or MSK?
Japan is 6 hours behind MSK. When it is 12:00 PM in Japan it is 6:00 AM in MSK.
Do Japan and MSK use different time zones?
Japan (Japan) uses JST at UTC+09:00, while MSK uses MSK at UTC+03:00. The IANA identifiers are Asia/Tokyo and Europe/Moscow.
Does daylight saving time affect the Japan–MSK difference?
Neither zone observes daylight saving time, so the -6h offset between Japan and MSK is fixed all year.
Which other cities share Japan's time zone?
JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.
Which countries use JST, Japan's zone?
JST is used in Japan.
Is there a day difference between Japan and MSK?
Not normally. The -6h gap only pushes the date over the previous day.
What is the time difference between Japan and MSK?
MSK is -6h from Japan.
What timezone is Japan in?
Japan operates on its local timezone.
What timezone is MSK in?
MSK operates on its local timezone.
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 Japan, what time is it in MSK?
When it is 12:00 AM (midnight) in Japan (JST), it is -6h later in MSK (MSK).
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