Timezone planner

Mountain Time (MST/MDT) to Japan Standard Time (JST)

Japan Standard Time (JST) is 15 hours ahead of Mountain Time (MST/MDT). The gap moves between 15 hours and 16 hours during the year, because the two places change their clocks on different dates.

Mountain Time (MST/MDT)
5:41pm
Sunday 04 October · MDT
Japan Standard Time (JST)
8:41am
Monday 05 October · JST

Times as of when this page loaded.

Best time for a meeting

Working hours overlap for 1 hour: 5pm–6pm in Mountain Time (MST/MDT).

Hour by hour

Today's hours in Mountain Time (MST/MDT) and the same moments in Japan Standard Time (JST). Shaded rows are 8am–6pm in both.

Mountain Time (MST/MDT)Japan Standard Time (JST)
12am 3pm
1am 4pm
2am 5pm
3am 6pm
4am 7pm
5am 8pm
6am 9pm
7am 10pm
8am 11pm
9am 12am+1 day
10am 1am+1 day
11am 2am+1 day
12pm 3am+1 day
1pm 4am+1 day
2pm 5am+1 day
3pm 6am+1 day
4pm 7am+1 day
5pm 8am+1 day
6pm 9am+1 day
7pm 10am+1 day
8pm 11am+1 day
9pm 12pm+1 day
10pm 1pm+1 day
11pm 2pm+1 day

Questions

What is the time difference between Mountain Time (MST/MDT) and Japan Standard Time (JST)?
Japan Standard Time (JST) is 15 hours ahead of Mountain Time (MST/MDT). The gap moves between 15 hours and 16 hours during the year, because the two places change their clocks on different dates.
What is a good time for a meeting between Mountain Time (MST/MDT) and Japan Standard Time (JST)?
Working hours overlap for 1 hour: 5pm–6pm in Mountain Time (MST/MDT).

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