Question 1

What is the time difference between PST and JST?

Accepted Answer

Japan Standard Time (JST) is 17 hours ahead of Pacific Standard Time (PST). Use the conversion table above to see the exact time for each hour.

Question 2

How do I convert PST to JST?

Accepted Answer

To convert PST to JST, add 17 hours to the PST time. For example, 9:00 AM PST is 2:00 AM JST.

Question 3

What time is it in JST when it's noon in PST?

Accepted Answer

When it's 12:00 PM (noon) in PST, it's 5:00 AM in JST. JST is 17 hours ahead of PST.

Question 4

How many hours ahead is JST from PST?

Accepted Answer

JST is 17 hours ahead of PST. This means when it's 9:00 AM in PST, it's 2:00 AM in JST.

Question 5

Is JST ahead or behind PST?

Accepted Answer

JST is ahead of PST by 17 hours. Clocks in JST show a later time than PST.

Question 6

Does PST observe daylight saving time?

Accepted Answer

Yes, Pacific Standard Time observes daylight saving time. During DST, the abbreviation changes to PDT and clocks move forward by one hour.

Question 7

Does JST observe daylight saving time?

Accepted Answer

No, Japan Standard Time does not observe daylight saving time. The UTC offset remains the same year-round.

Question 8

What is the best time to call from PST to JST?

Accepted Answer

The best time for a call between PST and JST is during overlapping business hours (9 AM – 5 PM) in both timezones. Check the color-coded conversion table above — green hours indicate business hours in both zones.

Question 9

When does daylight saving time change in PST?

Accepted Answer

Daylight saving time transitions vary by year and region. Pacific Standard Time observes DST, which typically shifts clocks forward by one hour in spring and back in fall. During DST transitions, the time difference between PST and JST may temporarily change. Check our DST change calendar for exact dates.

Question 10

Do PST and JST ever have the same time?

Accepted Answer

No, PST and JST never show the same time. However, because PST observes daylight saving time and JST does not, the time difference between them changes by one hour during DST transitions.

Pacific Standard Time (PST)	Period	Japan Standard Time (JST)	Period
12:00 AM	Night	5:00 PM	Business
1:00 AM	Night	6:00 PM	Evening
2:00 AM	Night	7:00 PM	Evening
3:00 AM	Night	8:00 PM	Evening
4:00 AM	Night	9:00 PM	Evening
5:00 AM	Night	10:00 PM	Evening
6:00 AM	Morning	11:00 PM	Evening
7:00 AM	Morning	12:00 AM+1d	Night
8:00 AM	Morning	1:00 AM+1d	Night
9:00 AM	Business	2:00 AM+1d	Night
10:00 AM	Business	3:00 AM+1d	Night
11:00 AM	Business	4:00 AM+1d	Night
12:00 PM	Business	5:00 AM+1d	Night
1:00 PM	Business	6:00 AM+1d	Morning
2:00 PM	Business	7:00 AM+1d	Morning
3:00 PM	Business	8:00 AM+1d	Morning
4:00 PM	Business	9:00 AM+1d	Business
5:00 PM	Business	10:00 AM+1d	Business
6:00 PM	Evening	11:00 AM+1d	Business
7:00 PM	Evening	12:00 PM+1d	Business
8:00 PM	Evening	1:00 PM+1d	Business
9:00 PM	Evening	2:00 PM+1d	Business
10:00 PM	Evening	3:00 PM+1d	Business
11:00 PM	Evening	4:00 PM+1d	Business

PST to JST Converter

Timezone Details

24-Hour Overview

PST to JST Conversion Table

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