JST to Irvine Time Converter
PST is 17 hours behind JST. 9:00 AM JST = 4:00 PM PST (previous day).
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.
| JST | Irvine Time | Day |
|---|---|---|
| 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 | work hours |
| 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 | night |
| 6:00 PM JST | 1:00 AM PST | night |
| 7:00 PM JST | 2:00 AM PST | night |
| 8:00 PM JST | 3:00 AM PST | night |
| 9:00 PM JST | 4:00 AM PST | night |
| 10:00 PM JST | 5:00 AM PST | night |
| 11:00 PM JST | 6:00 AM PST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert JST to 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.
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.