Does Adelaide observe daylight saving time?

Yes. Adelaide is on ACDT (UTC+10:30) now, and its clocks go back 1 hour on Sun, Apr 4, 2027, to ACST (UTC+9:30).

Does Tokyo observe daylight saving time?

No. Tokyo stays on JST (UTC+9) all year, so its clocks don't change.

What time is it in Tokyo when it's 9 AM in Adelaide?

7:30 AM in Tokyo, on the same day.

Adelaide to Tokyo Meeting Planner

Tokyo is 1 hour 30 minutes behind Adelaide right now. Their working days overlap for 6 hours 30 minutes today.

Adelaide · Australia

3:49 PM

Sun, Oct 18 · ACDT · summer time

Tokyo · Japan

2:19 PM

Sun, Oct 18 · JST

Best Meeting Times Between Adelaide and Tokyo

10:30 AM to 5:00 PM in Adelaide (9:00 AM to 3:30 PM in Tokyo). That's when both cities are inside working hours, 9 AM to 5 PM, giving 6 hours 30 minutes of overlap today.

Who's meeting

2 of 4 places

AdelaideOrganizerAustralia ·· summer time3:49PMnow
TokyoJapan ·2:19PMnow

Add a city

Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in Adelaide

Working hours, everywhere

Best times to meet

Sunday, October 18, 2026, in Adelaide time.

1:00PMBest · OptimalWorking hours in Adelaide (13:00) and Tokyo (11:30).
12:30PMOption 2 · OptimalWorking hours in Adelaide (12:30) and Tokyo (11:00).
1:30PMOption 3 · OptimalWorking hours in Adelaide (13:30) and Tokyo (12:00).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a half hour of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
AdelaideACDT
TokyoUTC+9
UTC	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

Adelaide1:00 PM ACDTSun, Oct 18
Tokyo11:30 AM UTC+9Sun, Oct 18
UTC2026-10-18 02:30 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Adelaide and Tokyo

Tokyo is 1 hour 30 minutes behind Adelaide right now: Tokyo is on JST (UTC+9) and Adelaide on ACDT (UTC+10:30). That changes on Sun, Apr 4, 2027, when clocks go back in Adelaide: then Tokyo is 30 minutes behind Adelaide.

Time difference between Adelaide and Tokyo over the next 12 months
From	Difference	Why
Now	Tokyo 1 hour 30 minutes behind	—
Sun, Apr 4, 2027	Tokyo 30 minutes behind	Clocks go back in Adelaide
Sun, Oct 3, 2027	Tokyo 1 hour 30 minutes behind	Clocks go forward in Adelaide

Adelaide is on Australian Central Standard Time. Tokyo is on Japan Standard Time.

Frequently Asked Questions: Adelaide & Tokyo Scheduling

What is the time difference between Adelaide and Tokyo?: Tokyo is 1 hour 30 minutes behind Adelaide right now: Tokyo is on JST (UTC+9) and Adelaide on ACDT (UTC+10:30). That changes on Sun, Apr 4, 2027, when clocks go back in Adelaide: then Tokyo is 30 minutes behind Adelaide.
What is the best time to schedule a meeting between Adelaide and Tokyo?: 10:30 AM to 5:00 PM in Adelaide (9:00 AM to 3:30 PM in Tokyo). That's when both cities are inside working hours, 9 AM to 5 PM, giving 6 hours 30 minutes of overlap today.
Does Adelaide observe daylight saving time?: Yes. Adelaide is on ACDT (UTC+10:30) now, and its clocks go back 1 hour on Sun, Apr 4, 2027, to ACST (UTC+9:30).
Does Tokyo observe daylight saving time?: No. Tokyo stays on JST (UTC+9) all year, so its clocks don't change.
What time is it in Tokyo when it's 9 AM in Adelaide?: 7:30 AM in Tokyo, on the same day.

Or see every city pair, or plan with more places in the meeting planner.