JST to MDT

Japan Standard Time

Japan Standard Time (JST)

JST is 9 hours ahead of Universal Time (UTC+9)

↑ ↓

Mountain Daylight Time

Mountain Daylight Time (MDT)

MDT is 6 hours behind Universal Time (UTC-6)

JST to MDT Time Conversion

When it is 12:00 PM in JST, it is 9:00 PM the previous day in MDT.

📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.

Time difference between JST and MDT

JST is 15 hours ahead of MDT.

🕐 Subtract 15 hours from JST time to get MDT time.

JST uses 9 hours ahead of Universal Time (UTC+9) and MDT uses 6 hours behind Universal Time (UTC-6).

JST to MDT time conversion chart (24 hours)

Highlighted rows are overlapping 9-to-5 business hours – the best time to schedule a call between JST and MDT.

JST Time		MDT Time
12 AM JST Time	↔	9 AM MDT Time
1 AM JST Time	↔	10 AM MDT Time
2 AM JST Time	↔	11 AM MDT Time
3 AM JST Time	↔	12 PM MDT Time
4 AM JST Time	↔	1 PM MDT Time
5 AM JST Time	↔	2 PM MDT Time
6 AM JST Time	↔	3 PM MDT Time
7 AM JST Time	↔	4 PM MDT Time
8 AM JST Time	↔	5 PM MDT Time
9 AM JST Time	↔	6 PM MDT Time
10 AM JST Time	↔	7 PM MDT Time
11 AM JST Time	↔	8 PM MDT Time

JST Time		MDT Time
12 PM JST Time	↔	9 PM MDT Time
1 PM JST Time	↔	10 PM MDT Time
2 PM JST Time	↔	11 PM MDT Time
3 PM JST Time	↔	12 AM MDT Time
4 PM JST Time	↔	1 AM MDT Time
5 PM JST Time	↔	2 AM MDT Time
6 PM JST Time	↔	3 AM MDT Time
7 PM JST Time	↔	4 AM MDT Time
8 PM JST Time	↔	5 AM MDT Time
9 PM JST Time	↔	6 AM MDT Time
10 PM JST Time	↔	7 AM MDT Time
11 PM JST Time	↔	8 AM MDT Time

JST to MDT - Frequently Asked Questions

Q

What is the time difference between JST and MDT?

A

JST is 15 hours ahead of MDT.

Q

Is JST ahead of or behind MDT?

A

JST is ahead of MDT by 15 hours.

Q

When it is 9:00 AM in JST, what time is it in MDT?

A

It is 6:00 PM the previous day in MDT.

Convert JST Time to Popular Time Zones

Convert Time in Popular Time Zones to MDT