PST to JST Time Converter

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

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

Quick Time Conversion

Los Angeles
Pacific Standard Time
UTC-8 (PST) / UTC-7 (PDT)
Tokyo
Japan Standard Time
UTC+9 (No DST)

Current Time Right Now

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

Updates live every second

24-Hour Visual Comparison

PST (LA)
12am PST
1am PST
2am PST
3am PST
4am PST
5am PST
6am PST
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
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JST (Tokyo)
5pm JST
6pm JST
7pm JST
8pm JST
9pm JST
10pm JST
11pm JST
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
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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 PST and JST (very limited overlap):

Best Window (PST)
5:00 PM - 8:00 PM
Which is (JST, next day)
9:00 AM - 12:00 PM
Limited 3-hour overlap window
Early morning for Japan, late evening for US West Coast
Consider asynchronous communication for better work-life balance

Pro Tip: Due to the significant time difference, consider scheduling critical meetings during the 5 PM - 8 PM PST window, or use email and asynchronous tools for non-urgent communication.

Complete PST to JST Conversion Table

PST TimeJST TimeContext
12:00 AM05:00 PM
Midnight West Coast
01:00 AM06:00 PM
Late Night PST
02:00 AM07:00 PM
Late Night PST
03:00 AM08:00 PM
Late Night PST
04:00 AM09:00 PM
Late Night PST
05:00 AM10:00 PM
Early Morning PST / Next Day JST
06:00 AM11:00 PM
Early Morning PST / Next Day JST
07:00 AM12:00 AM
Early Morning PST / Next Day JST
08:00 AM01:00 AM
Work Starts PST
09:00 AM02:00 AM
PST Business Hours
10:00 AM03:00 AM
PST Business Hours
11:00 AM04:00 AM
PST Business Hours

Pacific Standard Time (PST)

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

PDT (UTC-7) from March to November

IANA Identifier:

America/Los_Angeles

Japan Standard Time (JST)

UTC+9
No Daylight Saving Time
Major Cities:
  • • Tokyo
  • • Osaka
  • • Yokohama
  • • Nagoya
  • • Sapporo
Daylight Saving:

Not observed - year-round UTC+9

IANA Identifier:

Asia/Tokyo

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

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

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.

Japan Standard Time (JST) is 9 hours ahead of Coordinated Universal Time (UTC+9). Japan does not observe daylight saving time, so JST remains at UTC+9 year-round. All of Japan uses a single time zone.

Geographic Coverage

United States:

  • California: Los Angeles, San Francisco, San Diego, San Jose, Sacramento
  • Washington: Seattle, Spokane, Tacoma, Vancouver
  • Oregon: Portland, Eugene, Salem
  • Nevada: Most of the state (except West Wendover)

Canada:

  • British Columbia: Vancouver, Victoria, Surrey, Burnaby
  • Yukon: Whitehorse (observes PST year-round, no DST)

Mexico:

  • Baja California: Tijuana, Mexicali, Ensenada

Japan (Entire Country):

  • Kanto Region: Tokyo, Yokohama, Kawasaki, Saitama, Chiba
  • Kansai Region: Osaka, Kyoto, Kobe, Sakai
  • Chubu Region: Nagoya, Shizuoka, Hamamatsu
  • Kyushu Region: Fukuoka, Kitakyushu, Kumamoto
  • Hokkaido: Sapporo, Asahikawa, Hakodate
  • Tohoku Region: Sendai, Niigata
  • Plus: All islands and territories of Japan

Note: Japan uses a single time zone for the entire country, from Hokkaido in the north to Okinawa in the south.

Key Facts

  • UTC Offset: UTC-8 (PST) / UTC-7 (PDT)
  • Region: Westernmost region of North America
  • Known For: Major tech hubs (Silicon Valley, Seattle)
  • Largest Cities: Los Angeles (4M), San Diego (1.4M), San Jose (1M)
  • Daylight Saving: Begins 2nd Sunday in March, ends 1st Sunday in November
  • Time Zone Span: Covers US West Coast, parts of Canada and Mexico
  • UTC Offset: UTC+9 (year-round)
  • Region: East Asia, island nation of Japan
  • Known For: Technology, manufacturing, finance centers
  • Largest Cities: Tokyo (14M metro), Yokohama (3.7M), Osaka (2.7M)
  • Daylight Saving: Not observed since 1951
  • Population: Over 125 million people in one time zone
  • Coverage: Entire country uses the same time

Business & Communication Tips

  • Business Hours: Typically 9:00 AM - 5:00 PM PST
  • Best Contact Times: Late afternoon/evening for Japan calls
  • Work Culture: Flexible, tech-oriented, early morning meetings common
  • Communication: Email and video conferencing preferred for Asia
  • Business Hours: Typically 9:00 AM - 6:00 PM JST
  • Best Contact Times: Early morning for US West Coast calls
  • Work Culture: Formal, punctual, long working hours common
  • Communication: Prefer scheduled meetings over impromptu calls

Quick Reference

Time Difference: JST is 17 hours ahead of PST (16 hours during PDT from March-November)
Daylight Saving: The difference changes because Japan does not observe DST while the US West Coast does
Distance: Approximately 5,500 miles (8,850 km) across the Pacific Ocean
UTC Offsets: PST = UTC-8, PDT = UTC-7 | JST = UTC+9 (year-round)
Next Day Effect: Most PST times convert to the next calendar day in JST

Frequently Asked Questions

JST (Japan Standard Time) is 17 hours ahead of PST (Pacific Standard Time). During PDT (Pacific Daylight Time), JST is 16 hours ahead. This means when it's 12:00 PM in Los Angeles, it's 5:00 AM the next day in Tokyo during PST, or 4:00 AM the next day during PDT.

The best time to call from PST to JST is between 5:00 PM and 8:00 PM PST, which corresponds to 9:00 AM to 12:00 PM JST the next day. This ensures both parties are within standard business hours, though the overlap window is very limited.

Yes, the time difference changes because Japan does not observe Daylight Saving Time, while the US West Coast does. During PST (winter), JST is 17 hours ahead. During PDT (summer, March-November), JST is 16 hours ahead.

PST cities include Los Angeles, San Francisco, Seattle, San Diego, and Portland. JST cities include Tokyo, Osaka, Yokohama, Nagoya, and Sapporo. Japan has a single time zone for the entire country.

The 16-17 hour time difference means there is very limited overlap in business hours. When it's a workday in California (9 AM - 5 PM), it's already evening or night in Japan. The best meeting times are early morning in Japan (9 AM - 12 PM JST) which is late afternoon/evening in California (5 PM - 8 PM PST).

Related Time Converters

JST → PSTPST → UTCJST → UTCPST → ESTEST → JSTPST → ISTJST → KSTView All