Question 1

What is the time difference between AEST and JST?

Accepted Answer

Japan Standard Time (JST) is 2 hours behind Australian Eastern Standard Time (AEST). Use the conversion table above to see the exact time for each hour.

Question 2

How do I convert AEST to JST?

Accepted Answer

To convert AEST to JST, subtract 2 hours from the AEST time. For example, 9:00 AM AEST is 7:00 AM JST.

Question 3

What time is it in JST when it's noon in AEST?

Accepted Answer

When it's 12:00 PM (noon) in AEST, it's 10:00 AM in JST. JST is 2 hours behind AEST.

Question 4

How many hours behind is JST from AEST?

Accepted Answer

JST is 2 hours behind AEST. This means when it's 9:00 AM in AEST, it's 7:00 AM in JST.

Question 5

Is JST ahead or behind AEST?

Accepted Answer

JST is behind AEST by 2 hours. Clocks in JST show an earlier time than AEST.

Question 6

Does AEST observe daylight saving time?

Accepted Answer

Yes, Australian Eastern Standard Time observes daylight saving time. During DST, the abbreviation changes to AEDT and clocks move forward by one hour.

Question 7

Does JST observe daylight saving time?

Accepted Answer

No, Japan Standard Time does not observe daylight saving time. The UTC offset remains the same year-round.

Question 8

What is the best time to call from AEST to JST?

Accepted Answer

The best time for a call between AEST and JST is during overlapping business hours (9 AM – 5 PM) in both timezones. Check the color-coded conversion table above — green hours indicate business hours in both zones.

Question 9

When does daylight saving time change in AEST?

Accepted Answer

Daylight saving time transitions vary by year and region. Australian Eastern Standard Time observes DST, which typically shifts clocks forward by one hour in spring and back in fall. During DST transitions, the time difference between AEST and JST may temporarily change. Check our DST change calendar for exact dates.

Question 10

Do AEST and JST ever have the same time?

Accepted Answer

No, AEST and JST never show the same time. However, because AEST observes daylight saving time and JST does not, the time difference between them changes by one hour during DST transitions.

Australian Eastern Standard Time (AEDT)	Period	Japan Standard Time (JST)	Period
12:00 AM	Night	10:00 PM-1d	Evening
1:00 AM	Night	11:00 PM-1d	Evening
2:00 AM	Night	12:00 AM	Night
3:00 AM	Night	1:00 AM	Night
4:00 AM	Night	2:00 AM	Night
5:00 AM	Night	3:00 AM	Night
6:00 AM	Morning	4:00 AM	Night
7:00 AM	Morning	5:00 AM	Night
8:00 AM	Morning	6:00 AM	Morning
9:00 AM	Business	7:00 AM	Morning
10:00 AM	Business	8:00 AM	Morning
11:00 AM	Business	9:00 AM	Business
12:00 PM	Business	10:00 AM	Business
1:00 PM	Business	11:00 AM	Business
2:00 PM	Business	12:00 PM	Business
3:00 PM	Business	1:00 PM	Business
4:00 PM	Business	2:00 PM	Business
5:00 PM	Business	3:00 PM	Business
6:00 PM	Evening	4:00 PM	Business
7:00 PM	Evening	5:00 PM	Business
8:00 PM	Evening	6:00 PM	Evening
9:00 PM	Evening	7:00 PM	Evening
10:00 PM	Evening	8:00 PM	Evening
11:00 PM	Evening	9:00 PM	Evening

AEST to JST Converter

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AEST to JST Conversion Table

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