This simple MST to JST time zone converter allows you to quickly and visually understand the time difference between MST (MST) and JST (JST).
2:38 PM (+1) JST
MST: UTC-07:00 · JST: UTC+09:00
Just hover over the colored hour tiles, and you’ll instantly see the corresponding time in both zones. The time difference between MST and JST is 16 hours 0 minutes, with JST being ahead. For example, if it is 10:38 PM MST, the equivalent time in JST will be 2:38 PM (+1) JST.
| Mountain Standard Time | Japan Standard Time |
|---|---|
| 00:00 MST | 16:00 JST |
| 00:30 MST | 16:30 JST |
| 01:00 MST | 17:00 JST |
| 01:30 MST | 17:30 JST |
| 02:00 MST | 18:00 JST |
| 02:30 MST | 18:30 JST |
| 03:00 MST | 19:00 JST |
| 03:30 MST | 19:30 JST |
| 04:00 MST | 20:00 JST |
| 04:30 MST | 20:30 JST |
| 05:00 MST | 21:00 JST |
| 05:30 MST | 21:30 JST |
| 06:00 MST | 22:00 JST |
| 06:30 MST | 22:30 JST |
| 07:00 MST | 23:00 JST |
| 07:30 MST | 23:30 JST |
| 08:00 MST | 00:00 (+1) JST |
| 08:30 MST | 00:30 (+1) JST |
| 09:00 MST | 01:00 (+1) JST |
| 09:30 MST | 01:30 (+1) JST |
| 10:00 MST | 02:00 (+1) JST |
| 10:30 MST | 02:30 (+1) JST |
| 11:00 MST | 03:00 (+1) JST |
| 11:30 MST | 03:30 (+1) JST |
| 12:00 MST | 04:00 (+1) JST |
| 12:30 MST | 04:30 (+1) JST |
| 13:00 MST | 05:00 (+1) JST |
| 13:30 MST | 05:30 (+1) JST |
| 14:00 MST | 06:00 (+1) JST |
| 14:30 MST | 06:30 (+1) JST |
| 15:00 MST | 07:00 (+1) JST |
| 15:30 MST | 07:30 (+1) JST |
| 16:00 MST | 08:00 (+1) JST |
| 16:30 MST | 08:30 (+1) JST |
| 17:00 MST | 09:00 (+1) JST |
| 17:30 MST | 09:30 (+1) JST |
| 18:00 MST | 10:00 (+1) JST |
| 18:30 MST | 10:30 (+1) JST |
| 19:00 MST | 11:00 (+1) JST |
| 19:30 MST | 11:30 (+1) JST |
| 20:00 MST | 12:00 (+1) JST |
| 20:30 MST | 12:30 (+1) JST |
| 21:00 MST | 13:00 (+1) JST |
| 21:30 MST | 13:30 (+1) JST |
| 22:00 MST | 14:00 (+1) JST |
| 22:30 MST | 14:30 (+1) JST |
| 23:00 MST | 15:00 (+1) JST |
| 23:30 MST | 15:30 (+1) JST |
UTC-07:00
Fixed UTC offset. For seasonal local time, select a city or ET, CT, MT, PT.
MST · UTC-07:00
UTC+09:00
Fixed UTC offset. For seasonal local time, select a city or ET, CT, MT, PT.
JST · UTC+09:00
2026-10-18 · MST behind JST: 16 hours 0 minutes. MST: UTC-07:00; JST: UTC+09:00.
2026-10-18 · 22:38 MST → 14:38 (+1) JST.
Weekday overlap (Mon–Fri, 09:00–17:00 in both places): No overlapping working hours on this source date.
MST behind JST: 16 hours 0 minutes
Date → Select range → .ics. 2026-10-18 · 22:38 MST → 14:38 (+1) JST.
MST: Fixed UTC offset. For seasonal local time, select a city or ET, CT, MT, PT. JST: Fixed UTC offset. For seasonal local time, select a city or ET, CT, MT, PT.