JST to UTC Time Converter - Live World Clock

Convert time between Japan Standard Time (JST) and Coordinated Universal Time (UTC). See current time with live clocks.

Japan (JST)

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02:27:47 AM
Friday, August 21, 2026

International Standard (UTC)

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05:27:47 PM
Thursday, August 20, 2026

Current Time Difference

JST is 9 hours ahead of UTC

What is JST (Japan Standard Time)?

Japan Standard Time (JST) used in Japan, UTC+9:00.

Countries and Regions Using JST

Primary Country:

  • Japan

Also Used By:

  • South Korea

Key Facts about JST:

  • ✓ Third largest economy
  • ✓ Major tech center
  • ✓ No DST observed
  • ✓ Major Cities: Tokyo, Osaka, Yokohama, Nagoya
  • ✓ UTC Offset: +9:00

What is UTC (Coordinated Universal Time)?

Coordinated Universal Time (UTC) is the primary time standard globally, UTC+0:00.

Countries and Regions Using UTC

Primary Country:

  • International Standard

Key Facts about UTC:

  • ✓ Global time standard
  • ✓ Used for international coordination
  • ✓ No geographic location
  • ✓ Major Cities: Used worldwide for coordination
  • ✓ UTC Offset: +0:00

JST to UTC Time Difference

Standard Time Difference:

JST is 9 hours ahead

Common Use Cases:

  • • Business meetings between Japan and International Standard
  • • International collaboration across timezones
  • • Scheduling calls and conferences

Frequently Asked Questions

Which countries are in JST time zone?

Japan is the primary country using JST (+9:00). Other countries include: South Korea.

Which countries are in UTC time zone?

International Standard is the primary country using UTC (+0:00).

How many hours is JST ahead of UTC?

JST is 9 hours ahead of UTC.

Does Japan observe Daylight Saving Time?

No, Japan does not observe Daylight Saving Time. JST remains +9:00 throughout the year.