Time zone converter

AEST to JST

On Oct 23, 2026, Japan Standard Time is 2 hours behind Australian Eastern Time: 9:00 AM AEDT is 7:00 AM JST. The gap changes during the year because of daylight saving time; the dates are below.

Australian Eastern Time
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Current time in Australian Eastern Time
Japan Standard Time
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Current time in Japan Standard Time
Pick a date and time to convert.

JST vs AEST over the next 12 months

PeriodJST isExample
Oct 23, 2026 to Apr 4, 20272 hours behind9:00 AM AEDT = 7:00 AM JST
Apr 4, 2027 to Oct 3, 20271 hour behind9:00 AM AEST = 8:00 AM JST
Oct 3, 2027 onwards2 hours behind9:00 AM AEDT = 7:00 AM JST

AEST to JST conversion table

Every hour of a weekday around Oct 23, 2026, in both zones.

Australian Eastern TimeJapan Standard Time
12:00 AM10:00 PM (previous day)
1:00 AM11:00 PM (previous day)
2:00 AM12:00 AM
3:00 AM1:00 AM
4:00 AM2:00 AM
5:00 AM3:00 AM
6:00 AM4:00 AM
7:00 AM5:00 AM
8:00 AM6:00 AM
9:00 AM7:00 AM
10:00 AM8:00 AM
11:00 AM9:00 AM
12:00 PM10:00 AM
1:00 PM11:00 AM
2:00 PM12:00 PM
3:00 PM1:00 PM
4:00 PM2:00 PM
5:00 PM3:00 PM
6:00 PM4:00 PM
7:00 PM5:00 PM
8:00 PM6:00 PM
9:00 PM7:00 PM
10:00 PM8:00 PM
11:00 PM9:00 PM

Best time for a meeting

Normal 9-to-5 working hours overlap for 6 hours on a weekday: 11:00 AM–5:00 PM AEDT, which is 9:00 AM–3:00 PM JST.

Comparing more than two places? The meeting planner lines up working hours for up to six cities.

Daylight saving time

Australian Eastern Time (AEST/AEDT)

  • Apr 4, 2027: clocks go back 1 hour at 3:00 AM (UTC+11 → UTC+10)
  • Oct 3, 2027: clocks go forward 1 hour at 2:00 AM (UTC+10 → UTC+11)

Where these clocks are used

  • Australian Eastern Time (AEST/AEDT): Sydney, Melbourne, Canberra (Brisbane stays on AEST all year). IANA zone Australia/Sydney.
  • Japan Standard Time (JST): all of Japan. IANA zone Asia/Tokyo.

Questions

What time is it in JST when it is 9 AM AEST?

On Oct 23, 2026, 9:00 AM AEDT is 7:00 AM JST. On other dates the answer can shift by an hour because of daylight saving time; the table of periods on this page gives each one.

How many hours behind AEST is JST?

It depends on the date. Oct 23, 2026 to Apr 4, 2027: JST is 2 hours behind. Apr 4, 2027 to Oct 3, 2027: JST is 1 hour behind. Oct 3, 2027 onwards: JST is 2 hours behind.

Do AEST and JST observe daylight saving time?

Australian Eastern Time switches to AEDT (UTC+11) in summer and back to AEST (UTC+10) in winter. Japan Standard Time stays on UTC+9 all year.

What is the best time for a meeting between AEST and JST?

Normal 9-to-5 working hours overlap for 6 hours on a weekday: 11:00 AM–5:00 PM AEDT, which is 9:00 AM–3:00 PM JST.

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Related conversions

Computed from the IANA time zone database on Oct 23, 2026. Live clocks and the converter use your browser's copy of the same data.