What is the time difference between MDT and JST?

MDT is 15 hours ahead JST. MDT is UTC-6 and JST is UTC+9.

What is 9 AM MDT in JST?

9 AM MDT is 12 AM JST (next day).

What is 12 PM MDT in JST?

12 PM MDT (noon) is 3 AM JST (next day).

What are the best meeting times between MDT and JST?

There is no standard business hours overlap between MDT and JST.

MDT to JST Time Converter

Mountain Daylight Time → Japan Standard Time

MDT

UTC-6

Mountain Daylight Time

offset

+15h

JST is 15h ahead

JST

UTC+9

Japan Standard Time

Mountain Daylight Time (MDT) is 15 hours ahead Japan Standard Time (JST). When it is noon in MDT, it is 3 AM in JST. This offset is fixed year-round.

Meeting planner tool Reverse: JST to MDT

Cities in MDT

🇺🇸Denver 🇨🇦Calgary

Cities in JST

🇯🇵Tokyo 🇯🇵Osaka

All 24 Hours — MDT to JST

Click any row to see the full detail page. Current hour in MDT is highlighted.

Both business hoursPartial overlap

12 AM6 AM12 PM6 PM11 PM

Best Meeting Times — MDT & JST

No standard business-hours overlap between MDT and JST. Consider early morning or evening calls.

Challenging overlap

MDT and JST are 15 hours apart with no shared business-hours window. Try scheduling at 8 AM in the earlier timezone or 6 PM in the later one.

8 AM→11 PM 9 AM→12 AM+1d 10 AM→1 AM+1d 11 AM→2 AM+1d 12 PM→3 AM+1d 1 PM→4 AM+1d 2 PM→5 AM+1d 3 PM→6 AM+1d 4 PM→7 AM+1d 5 PM→8 AM+1d

Related Time Zone Conversions

Frequently Asked Questions — MDT to JST

Mountain Daylight Time (MDT) is 15 hours ahead of Japan Standard Time (JST). MDT is UTC-6 and JST is UTC+9.

Live Now

MDT

UTC-6

05:38:25

Saturday

JST

UTC+9

20:38:25

Saturday

Right now, 5 AM MDT = 8 PM JST

Business Hours Quick Jump

Reverse Conversion

JST to MDT

Japan Standard Time → Mountain Daylight Time

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