MST to JST

Mountain Standard Time

Mountain Standard Time (MST)

MST is 7 hours behind Universal Time (UTC-7)

↑ ↓

Japan Standard Time

Japan Standard Time (JST)

JST is 9 hours ahead of Universal Time (UTC+9)

MST to JST Time Conversion

When it is 12:00 PM in MST, it is 4:00 AM the next day in JST.

📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.

Time difference between MST and JST

MST is 16 hours behind JST.

🕐 Add 16 hours to MST time to get JST time.

MST uses 7 hours behind Universal Time (UTC-7) and JST uses 9 hours ahead of Universal Time (UTC+9).

MST to JST time conversion chart (24 hours)

Highlighted rows are overlapping 9-to-5 business hours – the best time to schedule a call between MST and JST.

MST Time		JST Time
12 AM MST Time	↔	4 PM JST Time
1 AM MST Time	↔	5 PM JST Time
2 AM MST Time	↔	6 PM JST Time
3 AM MST Time	↔	7 PM JST Time
4 AM MST Time	↔	8 PM JST Time
5 AM MST Time	↔	9 PM JST Time
6 AM MST Time	↔	10 PM JST Time
7 AM MST Time	↔	11 PM JST Time
8 AM MST Time	↔	12 AM JST Time
9 AM MST Time	↔	1 AM JST Time
10 AM MST Time	↔	2 AM JST Time
11 AM MST Time	↔	3 AM JST Time

MST Time		JST Time
12 PM MST Time	↔	4 AM JST Time
1 PM MST Time	↔	5 AM JST Time
2 PM MST Time	↔	6 AM JST Time
3 PM MST Time	↔	7 AM JST Time
4 PM MST Time	↔	8 AM JST Time
5 PM MST Time	↔	9 AM JST Time
6 PM MST Time	↔	10 AM JST Time
7 PM MST Time	↔	11 AM JST Time
8 PM MST Time	↔	12 PM JST Time
9 PM MST Time	↔	1 PM JST Time
10 PM MST Time	↔	2 PM JST Time
11 PM MST Time	↔	3 PM JST Time

MST to JST - Frequently Asked Questions

Q

What is the time difference between MST and JST?

A

MST is 16 hours behind JST.

Q

Is MST ahead of or behind JST?

A

MST is behind JST by 16 hours.

Q

When it is 9:00 AM in MST, what time is it in JST?

A

It is 1:00 AM the next day in JST.

Convert MST Time to Popular Time Zones

Convert Time in Popular Time Zones to JST