NZST to JST converter
New Zealand Time → Japan Standard Time
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New Zealand Time (NZST) is UTC+12 and observes daylight saving (NZDT, UTC+13, roughly September–April). It covers Auckland, Wellington and Christchurch.
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 3 hours behind New Zealand Time, though daylight saving can shift the difference by an hour at some times of year.
Best time to call Japan Standard Time from New Zealand Time
Office hours overlap for about 5 hours a day: 12:00 PM–5:00 PM in New Zealand Time is 9:00 AM–2:00 PM in Japan Standard Time. Book calls inside this window and nobody is out of hours. Daylight saving can shift these times by an hour at some points in the year.
NZST to JST, hour by hour
Today's actual offsets. Rows where both zones are inside 9am–5pm working hours are highlighted.