World Timezones

JST to AEST Converter

Compare AEST to JST instead
Japan Standard Time1:36 pmFri, Jun 5
Japan Standard TimeJST
Asia · UTC+9
1:36 pmFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Australian Eastern TimeAEST
Oceania · UTC+10
2:36 pmFri, Jun 5
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
12a

Offset

The time difference between Japan Standard Time and Australian Eastern Time is 1 hour.

1 hour

Japan Standard Time (JST) is behind Australian Eastern Time (AEST).

JST: UTC+9

AEST: UTC+10

Neither Japan Standard Time nor Australian Eastern Time is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–4 PM in Japan Standard Time (10 AM–5 PM in Australian Eastern Time).

Both teams are in working hours during this window on weekdays.

Suggested time: 12:00 PM Japan Standard Time (1:00 PM Australian Eastern Time).

This window may shift by an hour during daylight saving time.

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

Japan

  • New Year's DayThu, Jan 1
  • Coming of Age DayMon, Jan 12
  • Foundation DayWed, Feb 11
  • The Emperor's BirthdayMon, Feb 23
  • Vernal Equinox DayFri, Mar 20
  • Shōwa DayWed, Apr 29
  • Constitution Memorial DayWed, May 6
  • Greenery DayMon, May 4
  • Children's DayTue, May 5
  • Marine DayMon, Jul 20
  • Mountain DayTue, Aug 11
  • Respect for the Aged DayMon, Sep 21
  • Autumnal Equinox DayWed, Sep 23
  • Sports DayMon, Oct 12
  • Culture DayTue, Nov 3
  • Labour Thanksgiving DayMon, Nov 23

Australia

  • New Year's DayThu, Jan 1
  • Australia DayMon, Jan 26
  • Good FridayFri, Apr 3
  • Easter MondayMon, Apr 6
  • Christmas DayFri, Dec 25
  • St. Stephen's DayMon, Dec 28

About these zones

Japan Standard Time is also known as JST. To call Japan, dial +81.

Australian Eastern Time is also known as AEST, or AEDT. To call Australia, dial +61.

Australian Eastern Time is approximately 4,850 miles south of Japan Standard Time.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

JSTAESTDay
12:00 am1:00 amSame day
1:00 am2:00 amSame day
2:00 am3:00 amSame day
3:00 am4:00 amSame day
4:00 am5:00 amSame day
5:00 am6:00 amSame day
6:00 am7:00 amSame day
7:00 am8:00 amSame day
8:00 am9:00 amSame day
9:00 am10:00 amSame day
10:00 am11:00 amSame day
11:00 am12:00 pmSame day
12:00 pm1:00 pmSame day
1:00 pm2:00 pmSame day
2:00 pm3:00 pmSame day
3:00 pm4:00 pmSame day
4:00 pm5:00 pmSame day
5:00 pm6:00 pmSame day
6:00 pm7:00 pmSame day
7:00 pm8:00 pmSame day
8:00 pm9:00 pmSame day
9:00 pm10:00 pmSame day
10:00 pm11:00 pmSame day
11:00 pm12:00 am+1 day

Daylight saving time

Australian Eastern Time observes daylight saving time; Japan Standard Time does not. The offset between the two zones changes when Australian Eastern Time transitions: on Sunday, October 4, 2026, clocks spring forward from AEST to AEDT.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Japan Standard Time
Sunrise
4:27 AM
Sunset
6:55 PM
Day length
14h 28m
Australian Eastern Time
Sunrise
6:54 AM
Sunset
4:54 PM
Day length
10h

Daylight overlap: 10h — 5:54 AM–3:54 PM in Japan Standard Time (6:54 AM–4:54 PM in Australian Eastern Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Australian Eastern Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Japan Standard Time

  • HND
  • NRT
  • ITM
  • KIX
  • UKB
  • NGO
  • NKM
  • CTS
  • OKD
  • FUK

Airports in Australian Eastern Time

  • SYD
  • CBR

Related conversions

Common conversions

What is 9:00 am JST in AEST?
9:00 am JST is 10:00 am AEST.
What is 12:00 pm JST in AEST?
12:00 pm JST is 1:00 pm AEST.
What is 12:30 pm JST in AEST?
12:30 pm JST is 1:30 pm AEST.
What is 2:00 pm JST in AEST?
2:00 pm JST is 3:00 pm AEST.
What is 5:00 pm JST in AEST?
5:00 pm JST is 6:00 pm AEST.
What is 11:30 pm JST in AEST?
11:30 pm JST is 12:30 am AEST, the next day.