Clockjumper

Time difference

Adelaide to Tokyo Time Difference

Tokyo is 30 minutes behind Adelaide — when it's 12:00 PM in Adelaide, it's 11:30 AM in Tokyo. (Adelaide (Australia/Adelaide, ACST); Tokyo (Asia/Tokyo, JST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.

Quick answer

Tokyo is 30 minutes behind Adelaide. The best window for a call is 9:30 AM–5 PM in Adelaide, which is 9 AM–4:30 PM in Tokyo — an overlap of 7 hours and 30 minutes inside 9 AM–5 PM on both sides. Clocks change on October 4, 2026, which briefly shifts the gap between Adelaide and Tokyo — the converter on this page always reflects the correct offset for the date you pick.

  • When it's 9:00 AM in Adelaide, it's 8:30 AM in Tokyo.
  • When it's 9:00 AM in Tokyo, it's 9:30 AM in Adelaide.

Tokyo is currently 30 minutes behind Adelaide.

AdelaideACST
6:07 AM
Monday, Aug 24
TokyoJST
5:37 AM
Monday, Aug 24

Interactive converter

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Best times to meet

The 9 AM – 5 PM business windows in Adelaide and Tokyo overlap for 7 hours and 30 minutes. 9:30 AM5 PM in Adelaide is 9 AM4:30 PM in Tokyo. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.

Quick conversion table

AdelaideTokyo
12 AM11:30 PM (prev day)
1 AM12:30 AM
2 AM1:30 AM
3 AM2:30 AM
4 AM3:30 AM
5 AM4:30 AM
6 AM5:30 AM
7 AM6:30 AM
8 AM7:30 AM
9 AM8:30 AM
10 AM9:30 AM
11 AM10:30 AM
12 PM11:30 AM
1 PM12:30 PM
2 PM1:30 PM
3 PM2:30 PM
4 PM3:30 PM
5 PM4:30 PM
6 PM5:30 PM
7 PM6:30 PM
8 PM7:30 PM
9 PM8:30 PM
10 PM9:30 PM
11 PM10:30 PM

Daylight saving

On October 4, 2026, Adelaide shifts for daylight saving. After that, Tokyo will be 1 hour and 30 minutes behind Adelaide (currently 30 minutes behind Adelaide). The converter and the tables above always reflect the correct offset for the date you pick.

  • Adelaide is not currently observing daylight saving time (standard time is in effect).
  • Tokyo does not observe daylight saving time.

Frequently asked questions

Is Tokyo ahead of or behind Adelaide?
Tokyo is 30 minutes behind Adelaide.
How many hours behind Adelaide is Tokyo?
Tokyo is 30 minutes behind Adelaide.
What time is 9 AM in Adelaide in Tokyo?
9:00 AM in Adelaide is 8:30 AM in Tokyo.
What time is noon in Adelaide in Tokyo?
12:00 PM in Adelaide is 11:30 AM in Tokyo.
What time is 5 PM in Adelaide in Tokyo?
5:00 PM in Adelaide is 4:30 PM in Tokyo. Useful for end-of-day handoffs between the two offices.
What time is 3 PM in Adelaide in Tokyo?
3:00 PM in Adelaide is 2:30 PM in Tokyo.
Is Adelaide currently observing daylight saving time?
Adelaide observes daylight saving time seasonally, but is not currently on DST (standard time is in effect).
Is Tokyo currently observing daylight saving time?
Tokyo does not observe daylight saving time — its UTC offset stays the same all year.
Do Adelaide and Tokyo observe daylight saving?
On October 4, 2026, Adelaide shifts for daylight saving. After that, Tokyo will be 1 hour and 30 minutes behind Adelaide (currently 30 minutes behind Adelaide). The converter and the tables above always reflect the correct offset for the date you pick.
When is the best time to call Tokyo from Adelaide?
Aim for 9:30 AM–5 PM in Adelaide, which is 9 AM–4:30 PM in Tokyo.
When is the best time to call Adelaide from Tokyo?
Aim for 9 AM–4:30 PM in Tokyo, which is 9:30 AM–5 PM in Adelaide.
Adelaide (ACST) to Tokyo (JST) — how do I convert quickly?
Subtract 30 minutes from Adelaide local time to get Tokyo local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.