4 AM JST to UTC
Japan Standard Time → Coordinated Universal Time
Outside business hours
JST
4 AM
UTC+9
=
UTC
7 PM
UTC+0
(-1 day)4 AM JST (Japan Standard Time) equals 7 PM UTC (previous day) (Coordinated Universal Time). This falls outside typical business hours for one or both regions.
Live — JST
14:39:08
Saturday, March 21
UTC+9
Live — UTC
05:39:08
Saturday, March 21
UTC+0
UTC
- Full name
- Coordinated Universal Time
- UTC offset
- UTC+0
- DST
- Not observed
- Region
- Global
24-Hour Comparison — JST to UTC
Click any row to jump to that hour's page.
12 AM6 AM12 PM6 PM11 PM
JSTUTCDayMeeting
12 AM
3 PM
-1d
Early/Late
1 AM
4 PM
-1d
Early/Late
2 AM
5 PM
-1d
Early/Late
3 AM
6 PM
-1d
Early/Late
4 AMthis
7 PM
-1d
Off hours
5 AM
8 PM
-1d
Off hours
6 AM
9 PM
-1d
Off hours
7 AM
10 PM
-1d
Off hours
8 AM
11 PM
-1d
Early/Late
9 AM
12 AM
–
Early/Late
10 AM
1 AM
–
Early/Late
11 AM
2 AM
–
Early/Late
12 PM
3 AM
–
Early/Late
1 PM
4 AM
–
Early/Late
2 PM
5 AM
–
Early/Late
3 PM
6 AM
–
Early/Late
4 PM
7 AM
–
Early/Late
5 PM
8 AM
–
Good
6 PM
9 AM
–
Good
7 PM
10 AM
–
Early/Late
8 PM
11 AM
–
Early/Late
9 PM
12 PM
–
Early/Late
10 PM
1 PM
–
Early/Late
11 PM
2 PM
–
Early/Late
Green = business hours overlap · Amber = partial · Red = off hours
All Hours — JST to UTC
Hub page →JST ↔ UTC Overview
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