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Convert Japan Standard Time (JST) to Mountain Daylight Time (MDT, UTC-6) for regional business calls. Free converter with real-time conversion, meeting time planner, and business hours comparison for JST to MDT coordination. Includes 24-hour conversion table and live time displays. Perfect for international scheduling and global team collaboration. Works on all devices with accurate, reliable results.
Mountain Daylight Time is 15 hours behind Japan Standard Time
Complete hourly conversion for Japan Standard Time to Mountain Daylight Time
| Japan Standard Time | Mountain Daylight Time | 24-Hour JST | 24-Hour MDT |
|---|---|---|---|
| 12:00 AM | 9:00 AM (previous day) | 00:00 | 09:00 |
| 1:00 AM | 10:00 AM (previous day) | 01:00 | 10:00 |
| 2:00 AM | 11:00 AM (previous day) | 02:00 | 11:00 |
| 3:00 AM | 12:00 PM (previous day) | 03:00 | 12:00 |
| 4:00 AM | 1:00 PM (previous day) | 04:00 | 13:00 |
| 5:00 AM | 2:00 PM (previous day) | 05:00 | 14:00 |
| 6:00 AM | 3:00 PM (previous day) | 06:00 | 15:00 |
| 7:00 AM | 4:00 PM (previous day) | 07:00 | 16:00 |
| 8:00 AM | 5:00 PM (previous day) | 08:00 | 17:00 |
| 9:00 AM | 6:00 PM (previous day) | 09:00 | 18:00 |
| 10:00 AM | 7:00 PM (previous day) | 10:00 | 19:00 |
| 11:00 AM | 8:00 PM (previous day) | 11:00 | 20:00 |
| 12:00 PM | 9:00 PM (previous day) | 12:00 | 21:00 |
| 1:00 PM | 10:00 PM (previous day) | 13:00 | 22:00 |
| 2:00 PM | 11:00 PM (previous day) | 14:00 | 23:00 |
| 3:00 PM | 12:00 AM | 15:00 | 00:00 |
| 4:00 PM | 1:00 AM | 16:00 | 01:00 |
| 5:00 PM | 2:00 AM | 17:00 | 02:00 |
| 6:00 PM | 3:00 AM | 18:00 | 03:00 |
| 7:00 PM | 4:00 AM | 19:00 | 04:00 |
| 8:00 PM | 5:00 AM | 20:00 | 05:00 |
| 9:00 PM | 6:00 AM | 21:00 | 06:00 |
| 10:00 PM | 7:00 AM | 22:00 | 07:00 |
| 11:00 PM | 8:00 AM | 23:00 | 08:00 |
Optimal hours for calls between JST and MDT
Based on standard business hours (9:00 AM - 6:00 PM) in each time zone
Technical information for both time zones
Source timezone
Target timezone
