Convert JST to MDT Time
Free online converter with current times, time difference, and conversion table between JST and MDT time zones.
Current time in JST: Loading...
Current time in MDT: Loading...
Time difference: -15 hours
JST to MDT Conversion Table
This table shows common JST times converted to MDT time:
About JST and MDT Time Zones
JST Time Zone
Full Name: Japan Standard Time
UTC Offset: UTC+9
Current Time: Loading...
Standard time in Japan.
Used in: Japan
MDT Time Zone
Full Name: Mountain Daylight Time
UTC Offset: UTC-6
Current Time: Loading...
Daylight saving time in the Mountain Time Zone of North America.
Used in: USA, Canada, Mexico
How to Convert JST to MDT
Enter JST Time
Enter the JST time you want to convert using the time picker or by typing directly in 24-hour format.
Click Convert
Click the "Convert Time" button to perform the conversion from JST to MDT.
View Result
The equivalent MDT time will be displayed, along with the time difference between the two zones.
Use Conversion Table
For quick reference, you can also use the conversion table below that shows common JST times converted to MDT.
Common Uses for JST to MDT Conversion
International Business
Schedule meetings and calls between locations in Japan and USA time zones.
Travel Planning
Calculate arrival times and plan activities when traveling between Japan and USA.
Event Scheduling
Convert event times for international broadcasts, webinars, or sports events between these regions.
Keeping in Touch
Find the best times to call friends, family, or colleagues across these time zones.
Frequently Asked Questions
The time difference between JST and MDT is -15 hours. This means that when it's noon (12:00 PM) in JST, it's 9:00 PM in MDT.
To convert JST to MDT time, subtract 15 hours from the JST time. You can use our converter at the top of this page for instant and accurate conversions.
JST does not observe DST. MDT observes DST.
Minimal overlap in business hours.
Our converter uses standard time zone offsets. For the most accurate conversions during DST transition periods, please verify the exact dates when DST begins or ends in the relevant regions, as these can vary by year and location.