PST to JST converter
Pacific Time → Japan Standard Time
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Pacific Time (PST) is UTC−8 and observes daylight saving (PDT, UTC−7, roughly March–November). It covers Los Angeles, San Francisco, Seattle and Vancouver.
Japan Standard Time (JST) is UTC+9 with no daylight saving. It covers Tokyo, Osaka and Sapporo (Seoul shares the same clock).
Japan Standard Time is typically 17 hours ahead of Pacific Time, though daylight saving can shift the difference by an hour at some times of year.
Best time to call Japan Standard Time from Pacific Time
There's no 9-to-5 overlap between Pacific Time and Japan Standard Time — one side always has to flex. The practical slots: 5:00 PM in Pacific Time is 10:00 AM in Japan Standard Time. Daylight saving can shift these times by an hour at some points in the year.
PST to JST, hour by hour
Today's actual offsets. Rows where both zones are inside 9am–5pm working hours are highlighted.