JST to San Diego 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 San Diego 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. San Diego Time (San Diego time) is used in San Diego, USA.
JST to San Diego Time time conversion table
JST to San Diego Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| JST | San Diego Time |
|---|---|
| 12:00 AM | 7:00 AM−1 |
| 1:00 AM | 8:00 AM−1 |
| 2:00 AM | 9:00 AM−1 |
| 3:00 AM | 10:00 AM−1 |
| 4:00 AM | 11:00 AM−1 |
| 5:00 AM | 12:00 PM−1 |
| 6:00 AM | 1:00 PM−1 |
| 7:00 AM | 2:00 PM−1 |
| JST | San Diego Time |
|---|---|
| 8:00 AM | 3:00 PM−1 |
| 9:00 AM | 4:00 PM−1 |
| 10:00 AM | 5:00 PM−1 |
| 11:00 AM | 6:00 PM−1 |
| 12:00 PM | 7:00 PM−1 |
| 1:00 PM | 8:00 PM−1 |
| 2:00 PM | 9:00 PM−1 |
| 3:00 PM | 10:00 PM−1 |
| JST | San Diego Time |
|---|---|
| 4:00 PM | 11:00 PM−1 |
| 5:00 PM | 12:00 AM |
| 6:00 PM | 1:00 AM |
| 7:00 PM | 2:00 AM |
| 8:00 PM | 3:00 AM |
| 9:00 PM | 4:00 AM |
| 10:00 PM | 5:00 AM |
| 11:00 PM | 6:00 AM |
Conversion table from JST to San Diego 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 San Diego 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 San Diego Time
Subtract 17 hours from the JST time to get San Diego 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 San Diego Time
The time difference between JST and San Diego 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: San Diego Time is 17 hours behind of JST.
- 8 Mar 2026 – 31 Oct 2026: San Diego Time is 16 hours behind of JST.
- 1 Nov 2026 – 31 Dec 2026: San Diego Time is 17 hours behind of JST.
JST and San Diego Time during daylight saving time
- JST does not observe daylight saving time; it stays on UTC+9 all year.
- San Diego 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 San Diego Time
JST and San Diego 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 San Diego Time FAQ
What is the time difference between JST and San Diego 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 San Diego Time?
9:00 AM JST is 4:00 PM PST (previous day).
What is 12 PM (noon) JST in San Diego Time?
12:00 PM JST is 7:00 PM PST (previous day).
Is San Diego Time ahead of or behind JST?
PST is 17 hours behind JST, so it is earlier in San Diego 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 San Diego Time change for daylight saving time?
Yes. San Diego 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 San Diego Time?
JST and San Diego 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 San Diego Time to JST
Convert JST to other time zones
Convert other time zones to San Diego Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.