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