GST to JST Time Converter - Live World Clock

Convert time between Gulf Standard Time (GST) and Japan Standard Time (JST). See current time with live clocks.

United Arab Emirates (GST)

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09:27:47 PM
Thursday, August 20, 2026

Japan (JST)

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

Current Time Difference

GST is -5 hours behind JST

What is GST (Gulf Standard Time)?

Gulf Standard Time (GST) used in the Middle East, UTC+4:00.

Countries and Regions Using GST

Primary Country:

  • United Arab Emirates

Also Used By:

  • Oman

Key Facts about GST:

  • ✓ Major financial centers
  • ✓ No DST observed
  • ✓ Oil and business hub
  • ✓ Major Cities: Dubai, Abu Dhabi, Muscat
  • ✓ UTC Offset: +4:00

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

GST to JST Time Difference

Standard Time Difference:

GST is -5 hours behind

Common Use Cases:

  • • Business meetings between United Arab Emirates and Japan
  • • International collaboration across timezones
  • • Scheduling calls and conferences

Frequently Asked Questions

Which countries are in GST time zone?

United Arab Emirates is the primary country using GST (+4:00). Other countries include: Oman.

Which countries are in JST time zone?

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

How many hours is GST ahead of JST?

GST is -5 hours behind JST.

Does United Arab Emirates observe Daylight Saving Time?

No, United Arab Emirates does not observe Daylight Saving Time. GST remains +4:00 throughout the year.