JST to PST Time Converter

Convert Japan Standard Time to Pacific Standard Time - Quick & Accurate

Tokyo (JST)
Los Angeles (PST)
PST is 17 hours behind JST (16 during PDT)

Quick Time Conversion

Tokyo
Japan Standard Time
UTC+9
Los Angeles
Pacific Standard Time
UTC-8 (PST) / UTC-7 (PDT)

Current Time Right Now

Japan Standard Time (JST)
Pacific (PST/PDT)

Updates live every second

24-Hour Visual Comparison

JST (Tokyo)
12am JST
1am JST
2am JST
3am JST
4am JST
5am JST
6am JST
7am JST
8am JST
9am JST
10am JST
11am JST
12pm JST
1pm JST
2pm JST
3pm JST
4pm JST
5pm JST
6pm JST
7pm JST
8pm JST
9pm JST
10pm JST
11pm JST
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PST (LA)
7am PST
8am PST
9am PST
10am PST
11am PST
12pm PST
1pm PST
2pm PST
3pm PST
4pm PST
5pm PST
6pm PST
7pm PST
8pm PST
9pm PST
10pm PST
11pm PST
12am PST
1am PST
2am PST
3am PST
4am PST
5am PST
6am PST
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Business Hours (9AM-5PM)
Evening (5PM-9PM)
Night (9PM-6AM)

Hover over any hour to see corresponding time in both zones

Best Time for Meeting/Call

To schedule a meeting between JST and PST:

Best Window (JST)
6:00 PM - 9:00 PM
Which is (PST)
1:00 AM - 4:00 AM
Very challenging time zones
Evening JST, very early morning PST
Consider asynchronous communication

Pro Tip: Due to the extreme time difference, email and recorded videos work better than live calls for Japan-California collaboration

Complete JST to PST Conversion Table

JST TimePST TimeContext
12:00 AM07:00 AM
Midnight Tokyo
01:00 AM08:00 AM
Late Night JST
02:00 AM09:00 AM
Late Night JST
03:00 AM10:00 AM
Late Night JST
04:00 AM11:00 AM
Late Night JST
05:00 AM12:00 PM
Late Night JST
06:00 AM01:00 PM
Off Hours
07:00 AM02:00 PM
Off Hours
08:00 AM03:00 PM
Off Hours
09:00 AM04:00 PM
Business Hours JST
10:00 AM05:00 PM
Business Hours JST
11:00 AM06:00 PM
Business Hours JST

Japan Standard Time (JST)

UTC+9
No daylight saving time
Major Cities:
  • • Tokyo
  • • Osaka
  • • Yokohama
Daylight Saving:

Not observed

IANA Identifier:

Asia/Tokyo

Pacific Standard Time (PST)

UTC-8
UTC-7 during PDT
Major Cities:
  • • Los Angeles
  • • San Francisco
  • • Seattle
Daylight Saving:

PDT (UTC-7) from March to November

IANA Identifier:

America/Los_Angeles

Japan Standard Time (JST) vs Pacific Standard Time (PST)

Japan Standard Time (JST)Pacific Standard Time (PST)

Japan Standard Time (JST) is 9 hours ahead of Coordinated Universal Time (UTC+9). Japan does not observe daylight saving time, so the offset remains constant year-round.

Pacific Standard Time (PST) is 8 hours behind Coordinated Universal Time (UTC-8). During daylight saving time, the region observes Pacific Daylight Time (PDT), which is UTC-7.

Where Is It Used?

  • All of Japan: Tokyo, Osaka, Yokohama, Nagoya, Sapporo
  • Also uses UTC+9: South Korea, Palau, parts of Indonesia
  • United States: Los Angeles, San Francisco, Seattle, San Diego, Portland
  • Canada: Vancouver, Victoria
  • Coverage: US West Coast tech hubs

Key Facts

  • UTC Offset: UTC+9
  • Region: East Asia
  • Known For: Advanced technology and manufacturing
  • Largest City: Tokyo (14M+ metro: 37M+)
  • Daylight Saving: Not observed
  • UTC Offset: UTC-8 (PST) / UTC-7 (PDT)
  • Region: Western North America
  • Known For: Tech industry (Silicon Valley, Seattle)
  • Largest City: Los Angeles (4M, metro: 13M+)
  • Daylight Saving: Begins 2nd Sunday in March, ends 1st Sunday in November

Quick Reference

Time Difference: PST is 17 hours behind JST (16 hours during PDT)
Consistency: Changes by 1 hour when US observes DST (Japan does not)
Distance: Approximately 8,800 km between Tokyo and Los Angeles
UTC Offsets: JST = UTC+9 | PST = UTC-8 / PDT = UTC-7

Frequently Asked Questions

PST (Pacific Standard Time) is 17 hours behind JST (Japan Standard Time). During PDT (Pacific Daylight Time), it is 16 hours behind. For example, when it's 6:00 PM in Tokyo, it's 1:00 AM in Los Angeles.

The best time to call from JST to PST is between 6:00 PM and 9:00 PM JST, which corresponds to 1:00 AM to 4:00 AM PST. This is challenging - consider early morning JST (6-8 AM) for late evening PST (1-3 PM previous day).

Yes, the time difference changes by 1 hour. Japan does not observe DST, but the US West Coast does. During PST (winter), the difference is 17 hours. During PDT (summer), the difference is 16 hours.

JST cities include Tokyo, Osaka, and Yokohama in Japan. PST cities include Los Angeles, San Francisco, Seattle, San Diego, and Portland in the United States.

The 16-17 hour time difference means there is almost no overlap in business hours. Evening in Tokyo corresponds to very early morning in California, making real-time collaboration extremely challenging.