UTC to JST Time Converter

Coordinated Universal Time → Japan Standard Time

UTC

UTC+0

Coordinated Universal Time

offset
+9h
JST is 9h ahead

JST

UTC+9

Japan Standard Time

Coordinated Universal Time (UTC) is 9 hours ahead Japan Standard Time (JST). When it is noon in UTC, it is 9 PM in JST. This offset is fixed year-round.

Best Meeting Times — UTC & JST

Recommended windows where both UTC and JST participants are within working hours (8 AM–6 PM).

UTCJSTRatingDetail page
8 AM
5 PM
Best
9 AM
6 PM
Best
7 AM
4 PM
Good
10 AM
7 PM
Good

Tip: When scheduling between UTC and JST, aim for the “Best” windows above. These times keep both parties within normal working hours, avoiding early-morning or late-evening fatigue.

Frequently Asked Questions — UTC to JST

Coordinated Universal Time (UTC) is 9 hours ahead of Japan Standard Time (JST). UTC is UTC+0 and JST is UTC+9.