TimezoneToolbox

JST to AEST converter

AEST is usually 2 h ahead of JST. It is 1 h ahead of JST 4 Apr–3 Oct 2026, because of daylight saving time.

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JST to AEST table

For 4 July 2026, when AEST is 1 h ahead of JST. Other dates: see the table on the right.

JSTAEST24-hour
12:00 AM1:00 AM 0:00 → 1:00
1:00 AM2:00 AM 1:00 → 2:00
2:00 AM3:00 AM 2:00 → 3:00
3:00 AM4:00 AM 3:00 → 4:00
4:00 AM5:00 AM 4:00 → 5:00
5:00 AM6:00 AM 5:00 → 6:00
6:00 AM7:00 AM 6:00 → 7:00
7:00 AM8:00 AM 7:00 → 8:00
8:00 AM9:00 AM 8:00 → 9:00
9:00 AM10:00 AM 9:00 → 10:00
10:00 AM11:00 AM 10:00 → 11:00
11:00 AM12:00 PM 11:00 → 12:00
12:00 PM1:00 PM 12:00 → 13:00
1:00 PM2:00 PM 13:00 → 14:00
2:00 PM3:00 PM 14:00 → 15:00
3:00 PM4:00 PM 15:00 → 16:00
4:00 PM5:00 PM 16:00 → 17:00
5:00 PM6:00 PM 17:00 → 18:00
6:00 PM7:00 PM 18:00 → 19:00
7:00 PM8:00 PM 19:00 → 20:00
8:00 PM9:00 PM 20:00 → 21:00
9:00 PM10:00 PM 21:00 → 22:00
10:00 PM11:00 PM 22:00 → 23:00
11:00 PM12:00 AM next day23:00 → 0:00

When the difference changes

Computed from the IANA tz database (release 2026c). Governments can change these rules; the live converter uses your browser’s own copy of the database.

2026: from (UTC)until (UTC)AEST vs JST
1 January 20264 April 20262 h ahead of
4 April 20263 October 20261 h ahead of
3 October 202631 December 20262 h ahead of
2027: from (UTC)until (UTC)AEST vs JST
1 January 20273 April 20272 h ahead of
3 April 20272 October 20271 h ahead of
2 October 202731 December 20272 h ahead of

JST: Japan Standard Time · JST time now
Japan

AEST: Australian Eastern Time · AEST time now
Queensland (Brisbane) uses AEST all year; New South Wales, Victoria, the ACT and Tasmania switch to AEDT (UTC+11) from October to April.

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Questions

What is the time difference between JST and AEST?

AEST is usually 2 h ahead of JST. It is 1 h ahead of JST 4 Apr–3 Oct 2026, because of daylight saving time.

What is 9 am JST in AEST?

9:00 am JST is 10:00 AM AEST, on dates when the usual difference applies. Use the converter above for any specific date.

Which JST does this page use?

Japan Standard Time, the clock time in Japan (IANA zone Asia/Tokyo).

Which AEST does this page use?

Queensland (Brisbane) uses AEST all year; New South Wales, Victoria, the ACT and Tasmania switch to AEDT (UTC+11) from October to April.