PST to JST Converter

Category: Time Zone Converters

- June 30, 2025

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Pacific Standard Time (PST)

UTC-8 • Los Angeles, San Francisco, Seattle, Vancouver

Conversion Settings

Configure your timezone conversion preferences

Auto Convert

Daylight Saving Aware

Show UTC Offset

Show Seconds

Japan Standard Time (JST)

UTC+9 • Tokyo, Osaka, Nagoya, Sapporo

--:--:--

Select a time to convert

Time Difference: --

UTC Offset (PST): -8

UTC Offset (JST): +9

DST Status: --

PST Time: --

JST Time: --

Time Format:

Current PST: --:--:--

Current JST: --:--:--

🌊 JST never observes daylight saving time and is always UTC+9. PST becomes PDT (UTC-7) during summer, changing the time difference from 17 to 16 hours.

PST to JST Conversion Guide

What is PST to JST Conversion?

PST to JST conversion helps you translate time between Pacific Standard Time and Japan Standard Time zones. PST is UTC-8 and is observed in the western US during winter months (November to March). JST is UTC+9 and is observed in Japan year-round without any daylight saving time changes. JST is 17 hours ahead of PST (16 hours ahead when PST becomes PDT during summer).

Time Zone Information

Pacific Standard Time (PST): Used in western US including Los Angeles, San Francisco, Seattle during winter. UTC-8 from November to March, becomes PDT (UTC-7) in summer.

Japan Standard Time (JST): Used throughout Japan including Tokyo, Osaka, Nagoya, Sapporo. Always UTC+9 with no daylight saving time adjustments ever.

Time Difference: JST is 17 hours ahead of PST in winter, 16 hours ahead when PST becomes PDT in summer.

Daylight Saving Time Impact

United States (PST/PDT): PST (UTC-8) from November to March, PDT (UTC-7) from second Sunday in March to first Sunday in November

Japan (JST): Never observes daylight saving time - JST remains UTC+9 throughout the year

Variable Difference: The time difference changes between 16-17 hours depending on whether the US is observing daylight saving time

Date Line Crossing: Due to the large time difference, converting time often results in the next day in Japan

Common Conversion Examples

Winter Period (PST)

PST 8:00 AM → JST 1:00 AM (next day)

PST 5:00 PM → JST 10:00 AM (next day)

17-hour difference during winter

Summer Period (PDT)

PDT 8:00 AM → JST 12:00 AM (next day)

PDT 5:00 PM → JST 9:00 AM (next day)

16-hour difference during summer

Business Meetings

Best PST Time: 4:30 AM - 6:30 AM

Converts to JST: 9:30 PM - 11:30 PM (same day)

Early morning PST = evening JST

Late Evening Japan

PST 6:00 AM → JST 11:00 PM (same day)

PST 9:00 AM → JST 2:00 AM (next day)

Very early morning PST = late evening JST

Conversion Tips & Best Practices

• The time difference varies between 16-17 hours depending on US daylight saving time

• Converting time often results in the next day in Japan due to the large time difference

• Best meeting times are very early PST morning (4:30-6:30 AM) = JST evening (9:30-11:30 PM)

• Japan never observes daylight saving time, making it predictable year-round

• This is one of the largest time differences between major business centers

• Consider Japanese business culture - avoid very late evening or weekend scheduling

PST to JST Time Converter

If you're trying to schedule a call between California and Japan, this time converter can save you a lot of back-and-forth. Below is a handy comparison of the countries that follow Pacific Standard Time (PST) and Japan Standard Time (JST). Use it to check who else shares the same clock before you lock in your plans.

Pacific Standard Time (PST) UTC -8	Japan Standard Time (JST) UTC +9
🇺🇸 United States (California, Washington, Oregon, Nevada) 🇨🇦 Canada (British Columbia, Yukon) 🇲🇽 Mexico (Baja California)	🇯🇵 Japan

Built for anyone coordinating across the Pacific

This converter isn’t packed with fluff. It’s built for a clear purpose: to help you convert between Pacific Standard Time and Japan Standard Time with minimal fuss. Whether you're managing a remote team, setting up a call with a client in Tokyo, or trying to catch a livestream from Osaka while you're in Seattle, this tool has your back.

How it works and what you can expect

You start by picking a date and time using the inputs under the "Pacific Standard Time" or "Japan Standard Time" header, depending on which one you're working with. You can toggle between the two by clicking the Swap button, which switches the direction of the conversion. The moment you hit Convert Time or enable Auto Convert, the result appears instantly in the output section below.

Everything that’s handled under the hood

Checks whether Daylight Saving Time (DST) is in effect for PST. This affects whether the time difference is 16 or 17 hours.
Converts time accurately across both standard and daylight times.
Lets you choose to show or hide seconds and UTC offsets.
Includes a live clock showing current time in both zones.
Allows you to switch between 12-hour and 24-hour format with a single click.

Steps to get your time conversion right

Pick your input time zone (PST or JST) using the dropdown.
Select a date and time from the provided inputs.
Adjust settings like DST awareness, time format, or offset display if needed.
Click Convert Time to see the result, or turn on Auto Convert to make it automatic.
Use Swap to reverse the conversion direction, Now to use the current time, or Reset to clear it all out.

A real-world example: Scheduling from Mexico to Japan

Imagine you’re in Tijuana, Mexico, trying to organize a virtual meeting with partners in Tokyo. Tijuana runs on PST, just like California. Using this tool, you enter 7:00 PM PST as your start time and find it’s already midday the next day in Japan. No guesswork. No missed calls. Just a clean, clear conversion that lets you stay focused on the conversation, not the clock.

Little details that make a big difference

Auto Convert: Skip the button click. Just update your inputs and the tool updates too.
DST Aware: It knows when the US switches to daylight time and adjusts automatically.
Offset Display: Show or hide UTC offsets if you need to align with systems or logs.
Seconds Display: Toggle on if precision matters, or off for a cleaner view.
Live Clocks: See the current time in both zones right on screen, updated every second.
Keyboard Shortcuts: Press Enter or Space to convert, N for now, S to swap, R to reset, and F to switch format.

What to know before you hit convert

Japan never observes daylight saving time, so it's always UTC+9.
The United States does observe DST, shifting between UTC-8 and UTC-7. This means the time difference with Japan is either 17 or 16 hours.
If you're converting from PST during the US summer months, the tool accounts for that automatically, just keep DST awareness turned on.
Converting from PST to JST often lands you on the next day. That’s expected with this kind of time gap.

Reliable conversions for long-distance schedules

Whether you're syncing teams across continents or just trying to call family in Japan, this PST to JST time converter helps keep things smooth. It's fast, clear, and built around how real people actually schedule things. With the time difference covered, you can stay focused on what matters—talking to people, not calculating time zones.