MSK to JST
+6hMSK
MSKSOURCEJST
JSTGreen rows indicate typical business hours (9 AM - 5 PM)
MSK and JST on the World Map
The map below highlights the MSK (Moscow Standard Time) and JST (Japan Standard Time) timezone regions across the globe.
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).
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.
Time Conversion Guide: MSK to JST
MSK runs on Moscow Standard Time (MSK) at UTC+03:00. JST runs on Japan Standard Time (JST) at UTC+09:00. That puts MSK 6 hours ahead of JST — a difference of +6h at the current offsets.
In practice, when it is 9:00 AM in MSK it is 3:00 PM in JST. Midnight in MSK is 6:00 AM in JST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
MSK to JST time conversion table
| MSK (MSK) | JST (JST) | Day |
|---|---|---|
| 12:00 AM | 6:00 AM | same day |
| 6:00 AM | 12:00 PM | same day |
| 7:00 AM | 1:00 PM | same day |
| 8:00 AM | 2:00 PM | same day |
| 9:00 AM | 3:00 PM | same day |
| 12:00 PM | 6:00 PM | same day |
| 3:00 PM | 9:00 PM | same day |
| 5:00 PM | 11:00 PM | same day |
| 6:00 PM | 12:00 AM | next day |
| 9:00 PM | 3:00 AM | next day |
Why people convert MSK to JST time
- Scheduling a call from MSK to JST: a 10:00 AM start in MSK lands at 4:00 PM in JST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both MSK and JST are inside the 9-to-5 working day between 9:00 AM and 11:00 AM MSK time (3:00 PM–5:00 PM JST). That is roughly 2 hours of usable overlap.
- Watching a live event or market open: MSK viewers need 3:00 PM in JST to catch a 9:00 AM start there, and 6:00 PM if the event is anchored to MSK.
- Always state the zone abbreviation, not just the hour. "3:00 PM MSK" is unambiguous; "3 PM" across a +6h gap is not.
- Block 9:00 AM–11:00 AM MSK as the recurring meeting window if you work primarily from MSK and need JST colleagues present.
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.
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 MSK and JST
Both MSK and JST sit inside the 9 AM – 5 PM working day between 9:00 AM–11:00 AM MSK, which is 3:00 PM–5:00 PM JST. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
MSK and JST overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
MSK is 6 hours ahead of JST (MSK UTC+03:00 → JST UTC+09:00). The shared working window is 9:00 AM–11:00 AM MSK. 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 MSK and JST?
MSK (MSK, UTC+03:00) is 6 hours ahead of JST (JST, UTC+09:00). The gap is currently +6h.
How do I convert MSK time to JST time?
Add +6h to MSK local time. For example, 9:00 AM in MSK is 3:00 PM in JST.
What time is it in JST right now?
JST 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 +6h offset from MSK.
What is the best time to call JST from MSK?
Call between 9:00 AM and 11:00 AM MSK — that maps to 3:00 PM–5:00 PM JST and keeps both parties inside the working day.
Which is ahead, MSK or JST?
MSK is 6 hours ahead of JST. When it is 12:00 PM in MSK it is 6:00 PM in JST.
Does daylight saving time affect the MSK–JST difference?
Neither zone observes daylight saving time, so the +6h offset between MSK and JST is fixed all year.
Which other cities share MSK's time zone?
MSK also covers Moscow, St. Petersburg, Volgograd, Nizhny Novgorod, Kazan, Samara, Rostov-on-Don.
Which countries use MSK, MSK's zone?
MSK is used in Russia (Moscow, St. Petersburg, western regions).
Is there a day difference between MSK and JST?
Not normally. The +6h gap only pushes the date over for late-evening times.
What is the time difference between MSK and JST?
JST is +6h from MSK.
What timezone is MSK in?
MSK operates on its local timezone.
What timezone is JST in?
JST operates on its local timezone.
Which countries use MSK (Moscow Standard Time)?
MSK is used in Russia (Moscow, St. Petersburg, western regions).
Does MSK observe daylight saving time?
No, MSK does not observe daylight saving time and remains at UTC+03:00 year-round.
What are some interesting facts about MSK?
All Russian train timetables use Moscow Time, regardless of location. Russia abolished daylight saving time in 2011.
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 MSK, what time is it in JST?
When it is 12:00 AM (midnight) in MSK (MSK), it is +6h later in JST (JST).
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