JST to AEST converter

Japan Standard Time (JST) is UTC+9 with no daylight saving. It covers Tokyo, Osaka and Sapporo (Seoul shares the same clock).

Australian Eastern Time (AEST) is UTC+10 and observes daylight saving (AEDT, UTC+11, roughly October–April). It covers Sydney, Melbourne and Canberra.

Australian Eastern Time is typically 1 hours ahead of Japan Standard Time, though daylight saving can shift the difference by an hour at some times of year.

Best time to call Australian Eastern Time from Japan Standard Time

Office hours overlap for about 7 hours a day: 9:00 AM–4:00 PM in Japan Standard Time is 10:00 AM–5:00 PM in Australian Eastern 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.