iformat.io Logo iformat.io
iformat.io Logo iformat.io
Log In Sign Up

JST to PST Time Converter

Use this JST to PST time converter to compare Japan and US West Coast time instantly. PST is 17 hours behind JST, so 9:00 AM JST becomes 4:00 PM (previous day) PST and 5:00 PM JST becomes 12:00 AM PST. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.

JST Japan Standard Time
...
PST Pacific Standard Time
...
Select a time to convert

JST to PST Quick Facts

Use this JST to PST converter to compare Japan and US West Coast time, check the 17 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Find the best overlap for calls and meetings.

Time Difference
Pacific Standard Time is 17 hours behind Japan Standard Time
Useful when deadlines, handoffs, or calls cross workday boundaries.
Best Call Window
Normal business hours do not overlap well here, so test early-morning or late-evening compromise slots.
Common Use Cases
Useful for remote teams, customer support windows, travel planning, webinars, and same-day deadline handoffs.

How to Convert JST to PST

Converting between Japan Standard Time and Pacific Standard Time means accounting for a 17 hours gap — here's how to do it in under 10 seconds with no sign-up.

Enter Your JST Time

Pick the date and time in Japan Standard Time (UTC +9) that you want to convert. Hit "Now" to load the current JST time instantly, or use "+1h" to step forward and compare.

Read the PST Result

The equivalent Pacific Standard Time (UTC -8) time appears immediately. Since PST is 17 hours behind of JST, conversions often cross midnight — look for the date-change label.

Copy or Fine-Tune

Click "Copy Time" to grab the PST result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — helpful for scheduling recurring Japan–United States calls.

Why Choose Our JST to PST Converter

Align JST–PST Meetings Instantly

With 17 hours between JST and PST, business-hours overlap is limited. This tool instantly shows which hours work on both sides, so you can lock in a meeting without a chain of "does 3 PM work for you?" emails.

Spot Date-Line Shifts at a Glance

A JST evening at 9 PM is already the previous afternoon in PST. This converter flags date changes beside the result — critical when booking flights, hitting deadlines, or scheduling across the Japan–United States corridor.

Handles DST Transitions Automatically

Daylight Saving adjustments can widen or narrow the JST–PST gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.

Never Miss a JST-Timed Event

Product launches, sports matches, and webinars are often announced in JST. Convert the event time to PST so you know exactly when to tune in — with a 17 hours difference, a morning event in Japan hits the evening in United States.

JST to PST Time Conversion Chart

Quick-reference conversion table covering every hour of the day at a glance.

Complete 24-Hour Conversion

Japan Standard Time to Pacific Standard Time full day schedule

12:00 AM
JST
→
7:00 AM
PST
(previous day)
1:00 AM
JST
→
8:00 AM
PST
(previous day)
2:00 AM
JST
→
9:00 AM
PST
(previous day)
3:00 AM
JST
→
10:00 AM
PST
(previous day)
4:00 AM
JST
→
11:00 AM
PST
(previous day)
5:00 AM
JST
→
12:00 PM
PST
(previous day)
6:00 AM
JST
→
1:00 PM
PST
(previous day)
7:00 AM
JST
→
2:00 PM
PST
(previous day)
8:00 AM
JST
→
3:00 PM
PST
(previous day)
9:00 AM
JST
→
4:00 PM
PST
(previous day)
10:00 AM
JST
→
5:00 PM
PST
(previous day)
11:00 AM
JST
→
6:00 PM
PST
(previous day)
12:00 PM
JST
→
7:00 PM
PST
(previous day)
1:00 PM
JST
→
8:00 PM
PST
(previous day)
2:00 PM
JST
→
9:00 PM
PST
(previous day)
3:00 PM
JST
→
10:00 PM
PST
(previous day)
4:00 PM
JST
→
11:00 PM
PST
(previous day)
5:00 PM
JST
→
12:00 AM
PST
6:00 PM
JST
→
1:00 AM
PST
7:00 PM
JST
→
2:00 AM
PST
8:00 PM
JST
→
3:00 AM
PST
9:00 PM
JST
→
4:00 AM
PST
10:00 PM
JST
→
5:00 AM
PST
11:00 PM
JST
→
6:00 AM
PST
The two zones in context

JST vs PST — cities and working rhythm

JST — Japan Standard Time
Primary cities: Tokyo, Osaka, Sapporo, Nagoya, Fukuoka

Japan — one of the few large economies that has no DST, so JST is JST year-round (UTC+9). Business hours 9 AM – 6 PM JST with strong presence-based culture (staying past 7 PM is common). Same offset as Korean Standard Time (KST).

PST — Pacific Standard Time
Primary cities: Los Angeles, San Francisco, Seattle, Vancouver, San Diego

US West Coast — home of Silicon Valley, LA entertainment, and the SaaS / VC ecosystem. Business hours 9 AM – 6 PM PT. Startup / tech culture stretches later than East Coast: it's common for calendar invites from West Coast product teams to run through 8 PM PT.

Time gap: PST is 17.0 hours behind JST (standard-time offsets — daylight-saving flips shift this by an hour twice a year in most northern-hemisphere zones).

JST to PST Time Difference, Business Hours, and DST

JST to PST is one of the more useful timezone conversions for calls, deadlines, and travel planning. The current gap is 17 hours, which means 9:00 AM JST becomes 4:00 PM (previous day) PST and 2:00 PM JST becomes 9:00 PM (previous day) PST.

This matters when teams in Tokyo and Los Angeles need to align business hours, webinars, or customer-support coverage. Use the chart on this page when you want the exact conversion for today instead of relying on manual offset math.

Daylight saving changes can also shift the gap during the year, so a converter is safer than memorizing a fixed difference. That is especially important for recurring meetings and date-sensitive handoffs.

JST to PST FAQ

Quick answers about daylight saving time, date changes, business-hour overlap, and the most common scheduling questions between Japan Standard Time and Pacific Standard Time.

What is the time difference between JST and PST?

PST is 17 hours behind JST. JST is UTC +9:00 and PST is UTC −8:00 relative to UTC. PST observes daylight saving but JST does not, so the gap shifts by an hour twice a year. In PST winter the difference is 17 hours; in summer it changes by one hour.

When can JST and PST have business-hour overlap?

There is no clean business-hour overlap between JST and PST — the 17 hours gap pushes at least one side outside 9-to-5. Schedule calls at the very start or end of one party's day.

Does JST or PST observe daylight saving time?

PST observes daylight saving but JST does not, so the gap shifts by an hour twice a year. In PST winter the difference is 17 hours; in summer it changes by one hour.

How do I quickly convert JST to PST?

To convert JST to PST, add 17 hours subtract from the JST time. Example: if it's 10:00 AM JST, it's 17:00 PST that day. The live converter at the top of this page handles DST automatically.

Popular JST Time Converters

Explore more JST conversions for major business and travel corridors. Each page includes a 24-hour chart, time difference summary, and meeting overlap guidance.

Convert Other Time Zones to PST

Find the time difference from any major zone into Pacific Standard Time. Use these pages when scheduling with United States from a different region.

🇺🇸 Swap direction — PST to JST Converter