AEST to JST Time Converter

Convert Australian Eastern Standard Time (AEST) to Japan Standard Time (JST). Both time zones are shown live below; current offset between them is 1 hour behind.

Sydney · Australian Eastern Standard Time
06:55:29
Monday, May 11, 2026
GMT+10 · UTC+10:00
Tokyo · Japan Standard Time
05:55:29
Monday, May 11, 2026
GMT+9 · UTC+09:00

Convert a specific time

From: AEST (Sydney)
To: JST (Tokyo)
--:--

Daylight Saving status right now

AEST (Australian Eastern Standard Time)
Observes DST
Yes
In DST right now
No
Next spring forward
2026-10-04
Offset shift
UTC+10:00UTC+11:00
JST (Japan Standard Time)
Observes DST
No

Heads up: AEST observes DST while JST does not. The 1-hour difference shown above will shift by one hour when AEST starts or ends DST.

When can AEST and JST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
AEST
JST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Sydney (AEST). Each row shows the local working-hours state in that zone for the same moment in time.
7 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 10:0016:00 AEST (09:0015:00 JST).

Hour-by-hour AEST to JST conversion table

AEST time (Sydney)JST time (Tokyo)Status
00:00 Mon23:00 SunOff-hours both sides
01:00 Mon00:00 MonOff-hours both sides
02:00 Mon01:00 MonOff-hours both sides
03:00 Mon02:00 MonOff-hours both sides
04:00 Mon03:00 MonOff-hours both sides
05:00 Mon04:00 MonOff-hours both sides
06:00 Mon05:00 MonOff-hours both sides
07:00 Mon06:00 MonOff-hours both sides
08:00 Mon07:00 MonOff-hours both sides
09:00 Mon08:00 MonAEST working
10:00 Mon09:00 MonBoth at work
11:00 Mon10:00 MonBoth at work
12:00 Mon11:00 MonBoth at work
13:00 Mon12:00 MonBoth at work
14:00 Mon13:00 MonBoth at work
15:00 Mon14:00 MonBoth at work
16:00 Mon15:00 MonBoth at work
17:00 Mon16:00 MonJST working
18:00 Mon17:00 MonOff-hours both sides
19:00 Mon18:00 MonOff-hours both sides
20:00 Mon19:00 MonOff-hours both sides
21:00 Mon20:00 MonOff-hours both sides
22:00 Mon21:00 MonOff-hours both sides
23:00 Mon22:00 MonOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Australian Eastern Standard Time (AEST)
IANA identifier
Australia/Sydney
Current UTC offset
UTC+10:00
Current abbreviation
GMT+10
Major cities in this zone
SydneyMelbourneCanberra
Japan Standard Time (JST)
IANA identifier
Asia/Tokyo
Current UTC offset
UTC+09:00
Current abbreviation
GMT+9
Major cities in this zone
TokyoOsakaKyotoYokohama

Sun today in Sydney and Tokyo

Sydney
Sunrise
06:38
Sunset
17:07
Solar noon
11:52
Daylight
10h 29m
Tokyo
Sunrise
04:41
Sunset
18:36
Solar noon
11:39
Daylight
13h 55m

Related converters

Looking for local time? See time in Sydney or time in Tokyo.

Frequently asked questions

What is the time difference between AEST and JST right now?+
JST (Japan Standard Time) is currently 1 hour behind AEST (Australian Eastern Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does AEST or JST observe daylight saving time?+
AEST: observes daylight saving time. JST: does not observe daylight saving time.
When is the best time to schedule a meeting between AEST and JST?+
The strongest overlap is 10:00–16:00 AEST (09:00–15:00 JST), giving 7 hours when both sides are within standard 9am-5pm working hours.
What time is it in Tokyo when it is 12:00 noon in Sydney?+
When it is 12:00 Mon in Sydney (AEST), it is 11:00 Mon in Tokyo (JST).
Which IANA time zone identifiers are used for AEST and JST?+
AEST maps to "Australia/Sydney" in the IANA database. JST maps to "Asia/Tokyo". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Sydney ahead of or behind Tokyo?+
Whether Sydney (AEST) is ahead of or behind Tokyo (JST) depends on the current UTC offsets. Right now JST is 1 hour behind AEST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for AEST and JST?+
AEST is UTC+10:00 (GMT+10) and JST is UTC+09:00 (GMT+9). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both AEST and JST?+
Yes. There are 7 hours of overlap during standard 9am-5pm working hours, with the strongest window at 10:00–16:00 AEST.