TimeToZone

JST to PST Converter

PST is 17 hours behind JST. 9:00 AM JST = 4:00 PM PST (previous day).

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JSTfrom
Japan Standard Time
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PST
Pacific Standard Time
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PST is 17 hours behind JST at the moment. To convert JST to PST, subtract 17 hours from the JST time: 9:00 AM JST = 4:00 PM PST (previous day).

JST (Japan Time) is used in Japan. PST (Pacific Time) is used in Los Angeles, San Francisco, Seattle, Las Vegas, Portland, Vancouver.

PST here means Pacific Standard Time, not Philippine Standard Time.

JST to PST time conversion table

JST to PST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

JSTPSTDay
12:00 AM JST7:00 AM PSTprevious day
1:00 AM JST8:00 AM PSTprevious day
2:00 AM JST9:00 AM PSTprevious day
3:00 AM JST10:00 AM PSTprevious day
4:00 AM JST11:00 AM PSTprevious day
5:00 AM JST12:00 PM PSTprevious day
6:00 AM JST1:00 PM PSTprevious day
7:00 AM JST2:00 PM PSTprevious day
8:00 AM JST3:00 PM PSTprevious day
9:00 AM JST4:00 PM PSTwork hours
10:00 AM JST5:00 PM PSTprevious day
11:00 AM JST6:00 PM PSTprevious day
12:00 PM JST7:00 PM PSTprevious day
1:00 PM JST8:00 PM PSTprevious day
2:00 PM JST9:00 PM PSTprevious day
3:00 PM JST10:00 PM PSTprevious day
4:00 PM JST11:00 PM PSTprevious day
5:00 PM JST12:00 AM PSTnight
6:00 PM JST1:00 AM PSTnight
7:00 PM JST2:00 AM PSTnight
8:00 PM JST3:00 AM PSTnight
9:00 PM JST4:00 AM PSTnight
10:00 PM JST5:00 AM PSTnight
11:00 PM JST6:00 AM PST—
  • Work rows — 9 AM–5 PM in both places
  • Night in the destination (10 PM–6 AM)

How to convert JST to PST

Subtract 17 hours from the JST time to get PST.

Example: 9:00 AM JST = 4:00 PM PST (previous day).

Across midnight: 1:00 AM JST = 8:00 AM PST (previous day). The date changes, so always check the day as well as the hour.

Time difference between JST and PST

The time difference between JST and PST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:

  • 1 Jan 2026 – 7 Mar 2026: PST is 17 hours behind of JST.
  • 8 Mar 2026 – 31 Oct 2026: PST is 16 hours behind of JST.
  • 1 Nov 2026 – 31 Dec 2026: PST is 17 hours behind of JST.

JST and PST during daylight saving time

  • JST does not observe daylight saving time; it stays on UTC+9 all year.
  • PST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from PST (UTC−8) to PDT (UTC−7).

Best time for a meeting between JST and PST

JST and PST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM JST, which is 2:00 PM PST.

Plan a meeting across more time zones.

JST to PST FAQ

What is the time difference between JST and PST?

Right now PST is 17 hours behind JST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.

What is 9 AM JST in PST?

9:00 AM JST is 4:00 PM PST (previous day).

What is 12 PM (noon) JST in PST?

12:00 PM JST is 7:00 PM PST (previous day).

Is PST ahead of or behind JST?

PST is 17 hours behind JST, so it is earlier in PST than in JST.

Does JST change for daylight saving time?

No. JST stays on the same offset all year, so conversions never shift for daylight saving time.

Does PST change for daylight saving time?

Yes. PST next changes on 14 Mar 2027, when clocks go forward one hour from PST to PDT.

What is the best time for a meeting between JST and PST?

JST and PST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM JST, which is 2:00 PM PST.

Is PT the same as PST?

PST is the winter (standard) name of Pacific Time (PT). From March to November the same clocks are called PDT. This converter always uses the one in force on the date you choose.

Related conversions

Convert PST to JST

Convert JST to other time zones

Convert other time zones to PST

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.