What is the time difference between UTC and JST?

UTC (Coordinated Universal Time) is +9 hours behind/ahead of JST (Japan Standard Time). The exact difference depends on Daylight Saving Time status in both timezones.

How do I convert UTC to JST?

Use our free converter above. Select Coordinated Universal Time as the source timezone and Japan Standard Time as the destination, enter the time you want to convert, and click Convert. Our tool automatically handles DST.

What is the best time to schedule a meeting between Coordinated Universal Time and Japan Standard Time?

The best meeting time typically falls during overlapping business hours (9 AM - 5 PM). Use our meeting planner table below to find overlapping hours between UTC and JST.

Does UTC or JST observe Daylight Saving Time?

Our converter automatically detects DST status for both timezones. The result will show DST indicators when Daylight Saving Time is active.

UTC to JST Converter

Convert Coordinated Universal Time (UTC) to Japan Standard Time (JST) instantly. Convert any timezone or plan a meeting.

From (UTC)

To (JST)

Time to Convert

Leave date empty to use current date

Time Difference

+9 hours

UTC is +9 hours behind/ahead of JST.

UTC → JST Conversion Table

UTC (Coordinated Universal Time)	JST (Japan Standard Time)
Jul 15 00:00	09:00
03:00	12:00
06:00	15:00
09:00	18:00
12:00	21:00
15:00	00:00
18:00	03:00
21:00	06:00

Best Meeting Times

Hours where both timezones are within business hours (9 AM - 5 PM) are highlighted in green.

UTC (Coordinated Universal Time)

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23:00

JST (Japan Standard Time)