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