UTC to JST Converter – Convert UTC to Japan Time

Free UTC to JST Time Zone Converter - Convert UTC to JST Instantly

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When it's --:-- in ---, it's:
--:----- (---)
--- is --- hrs behind/ahead of ---
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Quick Reference: JST is 9 hours ahead of UTC. Japan does not observe daylight saving time.

Common UTC to JST Conversions:
00:00 UTC = 09:00 JST | 06:00 UTC = 15:00 JST | 09:00 UTC = 18:00 JST | 12:00 UTC = 21:00 JST | 15:00 UTC = 00:00 JST (next day) | 18:00 UTC = 03:00 JST (next day)

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CURRENT LOCAL TIME
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Tuesday, July 8, 2025
12:00 PM
Your Local Time

Common Questions About UTC to JST Conversion

What is the time difference between UTC and JST?

JST is 9 hours ahead of UTC.

00:00 UTC 09:00 JST
09:00 UTC 18:00 JST
12:00 UTC 21:00 JST
20:00 UTC 05:00 JST +1

Is JST always 9 hours ahead?

Yes, both timezones maintain constant offsets year-round.

Neither UTC nor JST observe Daylight Saving Time, so the difference remains 9 hours.

What is the best time for meetings between UTC and JST?

Optimal window: 06:00-07:00 UTC = 15:00-16:00 JST

06:00 UTC
= 15:00 JST
08:00 UTC
= 17:00 JST

Works for UTC early morning and Japan business hours.

UTC to JST Quick Conversion Chart

00:00 UTC 09:00 JST
09:00 UTC 18:00 JST
12:00 UTC 21:00 JST
14:00 UTC 23:00 JST
20:00 UTC 05:00 +1 JST
22:00 UTC 07:00 +1 JST

Frequently Asked Questions

To convert UTC to JST, use our free time zone converter above. Simply select your time and date to see the instant conversion. Our tool automatically accounts for Daylight Saving Time changes in both time zones.

The time difference between UTC and JST varies depending on whether Daylight Saving Time is in effect. Use our converter above for the most accurate, real-time time difference.

The best meeting time between Global (UTC) and Japan (JST) depends on business hours in both locations. Use our advanced meeting planner below to find overlapping work hours that suit both time zones.

Global does not observe Daylight Saving Time. UTC remains constant year-round, which simplifies conversions.

Major cities in the UTC timezone include Universal and other cities in Global. This timezone does not observe Daylight Saving Time.

Major cities in the JST timezone include Tokyo and other cities in Japan. This timezone does not observe Daylight Saving Time.

For calls between Global (UTC) and Japan (JST), use our converter to find mutually convenient times. Always specify both local times in meeting invites to avoid confusion, and account for Daylight Saving Time changes.

Need more help? Check our complete FAQ section.

View Complete FAQ