JST to ACST
Convert Japan Time — Tokyo to Australian Central Time — Adelaide — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Tokyo, it's 9:30 AM in Adelaide. Adelaide is 0½ hours ahead of Tokyo. Use the converter above to turn any JST time into ACST, or scan the hour-by-hour table below for the full day.
JST to ACST at a glance
Planning a meeting between Tokyo and Adelaide
Planning a call between Tokyo and Adelaide? The best overlap during a standard 9-to-5 workday runs 9:00 AM–4:30 PM JST (9:30 AM–5:00 PM ACST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Tokyo to Adelaide
A full day mapped from JST to ACST.
Frequently asked
Is Adelaide ahead of or behind Tokyo?
Adelaide is 0½ hours ahead of Tokyo.
What is 12:00 PM JST in ACST?
12:00 PM in Tokyo is 12:30 PM in Adelaide.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so JST and ACST automatically reflect the correct daylight-saving offset for the current date.