JST to AEST Time Converter - Live World Clock

Convert time between Japan Standard Time (JST) and Australian Eastern Standard Time (AEST). See current time with live clocks.

Japan (JST)

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

Australia (AEST)

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03:27:47 AM
Friday, August 21, 2026

Current Time Difference

JST is -1 hours behind AEST

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 AEST (Australian Eastern Standard Time)?

Australian Eastern Standard Time (AEST) used in eastern Australia, UTC+10:00.

Countries and Regions Using AEST

Primary Country:

  • Australia

Key Facts about AEST:

  • ✓ Most populous Australian timezone
  • ✓ Major business centers
  • ✓ DST observed October-April
  • ✓ Major Cities: Sydney, Melbourne, Brisbane, Canberra
  • ✓ UTC Offset: +10:00 (+11:00 during AEDT)

JST to AEST Time Difference

Standard Time Difference:

JST is -1 hours behind

Common Use Cases:

  • • Business meetings between Japan and Australia
  • • 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 AEST time zone?

Australia is the primary country using AEST (+10:00).

How many hours is JST ahead of AEST?

JST is -1 hours behind AEST.

Does Japan observe Daylight Saving Time?

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