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JST to MSK Time Converter

Use this JST to MSK time converter to compare Japan and Russia time instantly. MSK is 6 hours behind JST, so 9:00 AM JST becomes 3:00 AM MSK and 5:00 PM JST becomes 11:00 AM MSK. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.

JST Japan Standard Time
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MSK Moscow Time
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Select a time to convert

JST to MSK Quick Facts

Use this JST to MSK converter to compare Japan and Russia time, check the 6 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 3:00 PM JST / 9:00 AM MSK.

Time Difference
Moscow Time is 6 hours behind Japan Standard Time
Useful when deadlines, handoffs, or calls cross workday boundaries.
Best Call Window
Best overlap starts around 3:00 PM JST and 9:00 AM MSK.
Common Use Cases
Useful for remote teams, customer support windows, travel planning, webinars, and same-day deadline handoffs.

How to Convert JST to MSK

Converting between Japan Standard Time and Moscow Time means accounting for a 6 hours gap — here's how to do it in under 10 seconds with no sign-up.

Enter Your JST Time

Pick the date and time in Japan Standard Time (UTC +9) that you want to convert. Hit "Now" to load the current JST time instantly, or use "+1h" to step forward and compare.

Read the MSK Result

The equivalent Moscow Time (UTC +3) time appears immediately. Since MSK is 6 hours behind of JST, most daytime conversions stay on the same calendar day.

Copy or Fine-Tune

Click "Copy Time" to grab the MSK result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.

Why Choose Our JST to MSK Converter

Align JST–MSK Meetings Instantly

When someone in Japan suggests 3:00 PM JST, that's 9:00 AM MSK. This converter shows the overlap so both sides agree on one slot — no back-and-forth.

Spot Date-Line Shifts at a Glance

Late-night JST times can land on a different date in MSK because of the 6 hours offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.

Handles DST Transitions Automatically

Daylight Saving adjustments can widen or narrow the JST–MSK gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.

Never Miss a JST-Timed Event

Product launches, sports matches, and webinars are often announced in JST. Convert the event time to MSK so you know exactly when to tune in — with a 6 hours difference, a morning event in Japan falls during work hours in Russia.

JST to MSK Time Conversion Chart

Quick-reference conversion table covering every hour of the day at a glance.

Complete 24-Hour Conversion

Japan Standard Time to Moscow Time full day schedule

12:00 AM
JST
6:00 PM
MSK
(previous day)
1:00 AM
JST
7:00 PM
MSK
(previous day)
2:00 AM
JST
8:00 PM
MSK
(previous day)
3:00 AM
JST
9:00 PM
MSK
(previous day)
4:00 AM
JST
10:00 PM
MSK
(previous day)
5:00 AM
JST
11:00 PM
MSK
(previous day)
6:00 AM
JST
12:00 AM
MSK
7:00 AM
JST
1:00 AM
MSK
8:00 AM
JST
2:00 AM
MSK
9:00 AM
JST
3:00 AM
MSK
10:00 AM
JST
4:00 AM
MSK
11:00 AM
JST
5:00 AM
MSK
12:00 PM
JST
6:00 AM
MSK
1:00 PM
JST
7:00 AM
MSK
2:00 PM
JST
8:00 AM
MSK
3:00 PM
JST
9:00 AM
MSK
4:00 PM
JST
10:00 AM
MSK
5:00 PM
JST
11:00 AM
MSK
6:00 PM
JST
12:00 PM
MSK
7:00 PM
JST
1:00 PM
MSK
8:00 PM
JST
2:00 PM
MSK
9:00 PM
JST
3:00 PM
MSK
10:00 PM
JST
4:00 PM
MSK
11:00 PM
JST
5:00 PM
MSK