JST to UTC

Japan Standard Time

Japan Standard Time (JST)

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

↑ ↓

Coordinated Universal Time

Coordinated Universal Time (UTC)

UTC is the same time as Universal Time (UTC).

JST to UTC Time Conversion

When it is 12:00 PM in JST, it is 3:00 AM in UTC.

📞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 UTC

JST is 9 hours ahead of UTC.

🕐 Subtract 9 hours from JST time to get UTC time.

JST uses 9 hours ahead of Universal Time (UTC+9) and UTC uses the same time as Universal Time (UTC)..

JST to UTC time conversion chart (24 hours)

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

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

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

JST to UTC - Frequently Asked Questions

Q

What is the time difference between JST and UTC?

A

JST is 9 hours ahead of UTC.

Q

Is JST ahead of or behind UTC?

A

JST is ahead of UTC by 9 hours.

Q

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

A

It is 12:00 AM in UTC.

Convert JST Time to Popular Time Zones

Convert Time in Popular Time Zones to UTC