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JST to UTC — Japan Standard Time to Coordinated Universal Time

Coordinated Universal Time is 9 hours behind of Japan Standard Time all year. Pick a date and time below — daylight saving is applied automatically.

9:00 PM JST on Sat, Aug 29, 2026 is
12:00 PM UTC
Sat, August 29, 2026 · Coordinated Universal Time is 9 hours behind of Japan Standard Time on this date
Right now in Japan Standard Time
6:56 AM GMT+9 · UTC+9
Sun, 8/30/2026
Right now in Coordinated Universal Time
9:56 PM UTC · UTC+0
Sat, 8/29/2026
Hour-by-hour table for 2026-08-29
JSTUTC
12:00 AM3:00 PM −1 day
1:00 AM4:00 PM −1 day
2:00 AM5:00 PM −1 day
3:00 AM6:00 PM −1 day
4:00 AM7:00 PM −1 day
5:00 AM8:00 PM −1 day
6:00 AM9:00 PM −1 day
7:00 AM10:00 PM −1 day
8:00 AM11:00 PM −1 day
9:00 AM12:00 AM
10:00 AM1:00 AM
11:00 AM2:00 AM
12:00 PM3:00 AM
1:00 PM4:00 AM
2:00 PM5:00 AM
3:00 PM6:00 AM
4:00 PM7:00 AM
5:00 PM8:00 AM
6:00 PM9:00 AM
7:00 PM10:00 AM
8:00 PM11:00 AM
9:00 PM12:00 PM
10:00 PM1:00 PM
11:00 PM2:00 PM

JST vs UTC

Japan Standard Time (JST) is UTC+9 year-round. Coordinated Universal Time (UTC) is UTC+0 year-round.

The difference is a constant 9 hours behind — neither zone observes daylight saving.

JST to UTC conversion table

Applies all year:

JSTUTC
12:00 AM3:00 PM (−1 day)
6:00 AM9:00 PM (−1 day)
8:00 AM11:00 PM (−1 day)
9:00 AM12:00 AM
10:00 AM1:00 AM
12:00 PM3:00 AM
2:00 PM5:00 AM
3:00 PM6:00 AM
5:00 PM8:00 AM
6:00 PM9:00 AM
8:00 PM11:00 AM
10:00 PM1:00 PM

Scheduling between JST and UTC

With 9 hours between them there is little or no overlap in normal working hours; one side will be early morning or evening. 8 AM JST is 11:00 PM UTC (−1 day), and 6 PM JST is 9:00 AM UTC. Always write the city alongside the abbreviation in invites — several abbreviations (CST, IST, AST) are used by more than one region.

Related conversions

UTC to EST · EST to UTC · UTC to CST · CST to UTC · UTC to MST · MST to UTC · UTC to PST · PST to UTC · UTC to IST · IST to UTC · all zones