JST to MST Time Converter
Japan Standard Time to Mountain Standard Time — live converter with a full hour-by-hour table
Right now it is 05:32 in JST (UTC+09:00) and 14:32 in MST (UTC-06:00). MST is 15 hours behind JST (−15h).
Time now in JST
--:--:--
Time now in MST
--:--:--
JST to MST conversion table
| JST | MST | JST | MST |
|---|---|---|---|
| 00:00 | 09:00 | 12:00 | 21:00 |
| 01:00 | 10:00 | 13:00 | 22:00 |
| 02:00 | 11:00 | 14:00 | 23:00 |
| 03:00 | 12:00 | 15:00 | 00:00 |
| 04:00 | 13:00 | 16:00 | 01:00 |
| 05:00 | 14:00 | 17:00 | 02:00 |
| 06:00 | 15:00 | 18:00 | 03:00 |
| 07:00 | 16:00 | 19:00 | 04:00 |
| 08:00 | 17:00 | 20:00 | 05:00 |
| 09:00 | 18:00 | 21:00 | 06:00 |
| 10:00 | 19:00 | 22:00 | 07:00 |
| 11:00 | 20:00 | 23:00 | 08:00 |
Best time to call or meet
Standard business hours, expressed in both zones:
- 9:00–17:00 in JST is 18:00 to 02:00 in MST
- 9:00–17:00 in MST is 00:00 to 08:00 in JST
FAQ
What is the time difference between JST and MST?
MST is 15 hours behind JST. JST is UTC+09:00 and MST is UTC-06:00.
What is the best time to call from JST to MST?
9:00 to 17:00 in JST corresponds to 18:00 to 02:00 in MST. Schedule calls inside the business-hours overlap of both zones.
More about these zones
- Japan Standard TimeUTC+09:00
- Mountain Standard TimeUTC-06:00
- Convert MST to JST insteadreverse direction
Popular time converters
- EST to IST+9h 30m
- EST to GMT+4h
- PST to EST+3h
- GMT to IST+5h 30m
- CET to EST−5h
- UTC to IST+5h 30m
- PST to GMT+7h
- EST to CST−1h
- New York City to London+4h
- Los Angeles to New York City+3h