PST to JST Time Converter - Live World Clock

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

United States (PST)

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10:27:45 AM
Thursday, August 20, 2026

Japan (JST)

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02:27:45 AM
Friday, August 21, 2026

Current Time Difference

PST is -17 hours behind JST

What is PST (Pacific Standard Time)?

Pacific Standard Time (PST) for the west coast of North America, UTC-8:00.

Countries and Regions Using PST

Primary Country:

  • United States
  • States: California, Washington, Oregon

Also Used By:

  • Canada - British Columbia
  • Mexico

Key Facts about PST:

  • ✓ Silicon Valley tech hub
  • ✓ Hollywood entertainment center
  • ✓ Major port cities
  • ✓ Major Cities: Los Angeles, San Francisco, San Diego, Seattle, Portland
  • ✓ UTC Offset: -8:00 (-7:00 during PDT)

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

PST to JST Time Difference

Standard Time Difference:

PST is -17 hours behind

Common Use Cases:

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

Frequently Asked Questions

Which countries are in PST time zone?

United States is the primary country using PST (-8:00). Other countries include: Canada, Mexico.

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 PST ahead of JST?

PST is -17 hours behind JST.

Does United States observe Daylight Saving Time?

Yes, United States observes Daylight Saving Time. During DST, PST changes to PDT (Pacific Daylight Time) with UTC offset of -7:00.