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

JST (Japan Time) is used in Japan. Irvine Time (Irvine time) is used in Irvine, USA.

JST to Irvine Time time conversion table

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

12 AM – 7 AM JST
JSTIrvine Time
12:00 AM7:00 AM−1
1:00 AM8:00 AM−1
2:00 AM9:00 AM−1
3:00 AM10:00 AM−1
4:00 AM11:00 AM−1
5:00 AM12:00 PM−1
6:00 AM1:00 PM−1
7:00 AM2:00 PM−1
8 AM – 3 PM JST
JSTIrvine Time
8:00 AM3:00 PM−1
9:00 AM4:00 PM−1
10:00 AM5:00 PM−1
11:00 AM6:00 PM−1
12:00 PM7:00 PM−1
1:00 PM8:00 PM−1
2:00 PM9:00 PM−1
3:00 PM10:00 PM−1
4 PM – 11 PM JST
JSTIrvine Time
4:00 PM11:00 PM−1
5:00 PM12:00 AM
6:00 PM1:00 AM
7:00 PM2:00 AM
8:00 PM3:00 AM
9:00 PM4:00 AM
10:00 PM5:00 AM
11:00 PM6:00 AM

Conversion table from JST to Irvine Time for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in Irvine Time, −1 the previous day.

  • ✓ marks 9 AM–5 PM in both places
  • Greyed times are night in the destination (10 PM–6 AM)

How to convert JST to Irvine Time

Subtract 17 hours from the JST time to get Irvine Time.

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 Irvine Time

The time difference between JST and Irvine Time 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: Irvine Time is 17 hours behind of JST.
  • 8 Mar 2026 – 31 Oct 2026: Irvine Time is 16 hours behind of JST.
  • 1 Nov 2026 – 31 Dec 2026: Irvine Time is 17 hours behind of JST.

JST and Irvine Time during daylight saving time

  • JST does not observe daylight saving time; it stays on UTC+9 all year.
  • Irvine Time 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 Irvine Time

JST and Irvine Time 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 Irvine Time FAQ

What is the time difference between JST and Irvine Time?

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 Irvine Time?

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

What is 12 PM (noon) JST in Irvine Time?

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

Is Irvine Time ahead of or behind JST?

PST is 17 hours behind JST, so it is earlier in Irvine Time 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 Irvine Time change for daylight saving time?

Yes. Irvine Time 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 Irvine Time?

JST and Irvine Time 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.

Related conversions

Convert Irvine Time to JST

Convert JST to other time zones

Convert other time zones to Irvine Time

Learn more

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