JST to UTC converter

Japan Time (Tokyo, Osaka) to Coordinated Universal Time (the world reference time).

JST9:07 AMSat 31 Oct 2026

→

UTC12:07 AMSat 31 Oct 2026

UTC is 9 h behind JST.

Pick a time in JST

⇄ UTC to JST

9:00 AM JST = 12:00 AM UTC same day

Best time to meet

No hour falls inside 9 AM to 5 PM in both places. The least painful: around 4:00 PM JST, which is 7:00 AM UTC.

JST to UTC time table

For 31 Oct 2026. Green rows: both sides between 9 AM and 5 PM.

JST	UTC
12:00 AM JST	3:00 PM UTC previous day
1:00 AM JST	4:00 PM UTC previous day
2:00 AM JST	5:00 PM UTC previous day
3:00 AM JST	6:00 PM UTC previous day
4:00 AM JST	7:00 PM UTC previous day
5:00 AM JST	8:00 PM UTC previous day
6:00 AM JST	9:00 PM UTC previous day
7:00 AM JST	10:00 PM UTC previous day
8:00 AM JST	11:00 PM UTC previous day
9:00 AM JST	12:00 AM UTC
10:00 AM JST	1:00 AM UTC
11:00 AM JST	2:00 AM UTC
12:00 PM JST	3:00 AM UTC
1:00 PM JST	4:00 AM UTC
2:00 PM JST	5:00 AM UTC
3:00 PM JST	6:00 AM UTC
4:00 PM JST	7:00 AM UTC
5:00 PM JST	8:00 AM UTC
6:00 PM JST	9:00 AM UTC
7:00 PM JST	10:00 AM UTC
8:00 PM JST	11:00 AM UTC
9:00 PM JST	12:00 PM UTC
10:00 PM JST	1:00 PM UTC
11:00 PM JST	2:00 PM UTC

Quick answers

9:00 AM JST = 12:00 AM UTC
12:00 PM JST = 3:00 AM UTC
3:00 PM JST = 6:00 AM UTC
5:00 PM JST = 8:00 AM UTC
9:00 AM UTC = 6:00 PM JST
12:00 PM UTC = 9:00 PM JST
5:00 PM UTC = 2:00 AM JST (next day)

Does the gap change during the year?

No. UTC is 9 h behind JST all year.

JST does not change its clocks. UTC does not change its clocks.

About JST and UTC

JST here means Japan Time, the clock in Tokyo, Osaka. Right now it is UTC+9. It has no daylight saving.

UTC here means Coordinated Universal Time, the clock in the world reference time. Right now it is UTC+0. It has no daylight saving.

Every city on your wrist

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