1 PM JST to MST
Japan Standard Time → Mountain Standard Time
Partial overlap
JST
1 PM
UTC+9
=
MST
10 PM
UTC-6
(-1 day)1 PM JST (Japan Standard Time) equals 10 PM MST (previous day) (Mountain Standard Time). This is a common time for meetings across time zones.
Live — JST
12:27:16
Wednesday, May 13
UTC+9
Live — MST
21:27:16
Tuesday, May 12
UTC-6
DST activeDaylight Saving Time (DST)
- MST (Mountain Standard Time) observes DST — currently active (clocks are +1h ahead).
- DST transitions may shift this offset by ±1 hour twice per year.
24-Hour Comparison — JST to MST
Click any row to jump to that hour's page.
12 AM6 AM12 PM6 PM11 PM
JSTMSTDayMeeting
12 AM
9 AM
-1d
Early/Late
1 AM
10 AM
-1d
Early/Late
2 AM
11 AM
-1d
Early/Late
3 AM
12 PM
-1d
Early/Late
4 AM
1 PM
-1d
Early/Late
5 AM
2 PM
-1d
Early/Late
6 AM
3 PM
-1d
Early/Late
7 AM
4 PM
-1d
Early/Late
8 AM
5 PM
-1d
Good
9 AM
6 PM
-1d
Good
10 AM
7 PM
-1d
Early/Late
11 AM
8 PM
-1d
Early/Late
12 PM
9 PM
-1d
Early/Late
1 PMthis
10 PM
-1d
Early/Late
2 PM
11 PM
-1d
Early/Late
3 PM
12 AM
–
Early/Late
4 PM
1 AM
–
Early/Late
5 PM
2 AM
–
Early/Late
6 PM
3 AM
–
Early/Late
7 PM
4 AM
–
Off hours
8 PM
5 AM
–
Off hours
9 PM
6 AM
–
Off hours
10 PM
7 AM
–
Off hours
11 PM
8 AM
–
Early/Late
Green = business hours overlap · Amber = partial · Red = off hours
All Hours — JST to MST
Hub page →JST ↔ MST Overview
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