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AEST to JST Converter | Australia to Japan

AEST UTC+10
1h
JST UTC+9
Live Current Time
AEST
Australia East
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JST
Japan
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AEST
--:-- JST

AEST to JST Conversion Table — Standard Time

Offset: AEST -1 hours = JST. Applies during standard time. Work hours (9 AM–5 PM) highlighted.

AEST JST
00:00 23:00 (−1 day)
01:00 00:00
02:00 01:00
03:00 02:00
04:00 03:00
05:00 04:00
06:00 05:00
07:00 06:00
08:00 07:00
09:00 08:00
10:00 09:00
11:00 10:00
12:00 11:00
13:00 12:00
14:00 13:00
15:00 14:00
16:00 15:00
17:00 16:00
18:00 17:00
19:00 18:00
20:00 19:00
21:00 20:00
22:00 21:00
23:00 22:00

AEDT to JST Conversion Table — Daylight Saving

Offset: AEDT -2 hours = JST. Applies when Australia East is observing daylight saving time.

AEDT JST
00:00 22:00 (−1 day)
01:00 23:00 (−1 day)
02:00 00:00
03:00 01:00
04:00 02:00
05:00 03:00
06:00 04:00
07:00 05:00
08:00 06:00
09:00 07:00
10:00 08:00
11:00 09:00
12:00 10:00
13:00 11:00
14:00 12:00
15:00 13:00
16:00 14:00
17:00 15:00
18:00 16:00
19:00 17:00
20:00 18:00
21:00 19:00
22:00 20:00
23:00 21:00

Australia and Japan share strong trade ties in resources, automotive, and tourism. Mining companies in Sydney negotiate with Japanese steel mills. Automotive suppliers in Melbourne coordinate with manufacturers in Nagoya. The AEST–JST pair is a daily staple for these industries.

JST is UTC+9 with no DST. AEST is UTC+10, shifting to AEDT (UTC+11) in the southern-hemisphere summer. The standard gap is just 1 hour: when it’s 10 AM in Sydney, it’s 9 AM in Tokyo. During AEDT the gap widens to 2 hours.

This is one of the most overlap-friendly international pairs. Nearly the entire workday aligns. A 9 AM–5 PM AEST day corresponds to 8 AM–4 PM JST in winter or 7 AM–3 PM JST in summer — comfortable on both sides.

Daylight Saving Time: What Changes

Australia East observes daylight saving time, but Japan does not. This means the offset between AEST and JST changes seasonally: 1 hour during standard time and 2 hours during daylight saving. Double-check the current offset during transition weeks in March and November.

Frequently Asked Questions

What is the time difference between AEST and JST?

AEST is 1 hour ahead of JST. When Australia shifts to AEDT (October–April), the gap widens to 2 hours. Japan does not observe DST.

Does Australian DST affect the AEST-to-JST offset?

Yes. During AEDT (UTC+11), Australia is 2 hours ahead of JST (UTC+9) instead of the usual 1. Since Japan has no DST, the change comes entirely from the Australian side.

What is the best meeting time for Australia and Japan?

Nearly any time works. The 1–2 hour gap means a 9 AM–5 PM AEST window overlaps almost entirely with the JST workday. No special scheduling is needed — just account for the 1 or 2 hour offset when sending calendar invites.

Related Conversions

JST EST AEST EST PST JST EST JST GMT JST GMT AEST

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