CET to JST converter

Central European Time (CET) is UTC+1 and observes summer time (CEST, UTC+2, roughly March–October). It covers Paris, Berlin, Madrid, Rome and Amsterdam.

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 8 hours ahead of Central European Time, though daylight saving can shift the difference by an hour at some times of year.

Best time to call Japan Standard Time from Central European Time

There's no 9-to-5 overlap between Central European Time and Japan Standard Time — one side always has to flex. The practical slots: 8:00 AM in Central European Time is 4:00 PM in Japan Standard Time. Daylight saving can shift these times by an hour at some points in the year.