EnglishEspañolPortuguês

ACST to JST Time Converter

JST is 1 hour 30 minutes behind ACST right now. 9:00 AM in ACST is 7:30 AM in JST.

Time now: ACST and JST

🌐 Australian Central Time10:29 AMTuesday, November 10 · UTC+10:30
🌐 Japan Standard Time (JST)8:59 AMTuesday, November 10 · UTC+09:00

JST is 1 hour 30 minutes behind ACST right now. The gap is not fixed: it is 1 hour 30 minutes at some times of the year and 30 minutes at others, because at least one of them changes its clocks for daylight saving time.

ACST to JST conversion table

Every hour of the day, using today's time difference.

ACSTJST
12:00 AM10:30 PMprevious day
1:00 AM11:30 PMprevious day
2:00 AM12:30 AM
3:00 AM1:30 AM
4:00 AM2:30 AM
5:00 AM3:30 AM
6:00 AM4:30 AM
7:00 AM5:30 AM
8:00 AM6:30 AM
9:00 AM7:30 AM
10:00 AM8:30 AM
11:00 AM9:30 AM
12:00 PM10:30 AM
1:00 PM11:30 AM
2:00 PM12:30 PM
3:00 PM1:30 PM
4:00 PM2:30 PM
5:00 PM3:30 PM
6:00 PM4:30 PM
7:00 PM5:30 PM
8:00 PM6:30 PM
9:00 PM7:30 PM
10:00 PM8:30 PM
11:00 PM9:30 PM

Best time to meet between ACST and JST

Working hours overlap (9 AM – 6 PM in both places):

  • 11:00 AM – 6:00 PM ACST = 9:30 AM – 4:30 PM JST

The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.

Does the time difference between ACST and JST change?

Yes. Right now JST is 1 hour 30 minutes behind ACST. These are the dates in the next 12 months when the gap changes:

  • Sunday, 4 April 2027: ACST moves its clocks back. JST is 30 minutes behind ACST from then (it was 1 hour 30 minutes before).
  • Sunday, 3 October 2027: ACST moves its clocks forward. JST is 1 hour 30 minutes behind ACST from then (it was 30 minutes before).

Office hours in each other's time

  • 9 AM to 6 PM in ACST is 7:30 AM to 4:30 PM in JST.
  • 9 AM to 6 PM in JST is 10:30 AM to 7:30 PM in ACST.

Based on today's clock settings.

Frequently asked questions

What is the time difference between ACST and JST?

JST is 1 hour 30 minutes behind ACST right now. The gap is not fixed: it is 1 hour 30 minutes at some times of the year and 30 minutes at others, because at least one of them changes its clocks for daylight saving time.

How do I convert ACST to JST?

Subtract 1 hour 30 minutes from the ACST time to get the JST time (at today's difference). 9:00 AM in ACST is 7:30 AM in JST. Or use the converter above and pick any date and time.

What is the current time in JST?

It is 8:59 AM in JST on Tuesday, November 10 (the converter above shows it live). At the same moment it is 10:29 AM in ACST.

Does the time difference between ACST and JST change during the year?

Yes. Right now JST is 1 hour 30 minutes behind ACST. Over the next 12 months the gap changes 2 times: Sunday, 4 April 2027: ACST moves its clocks back. JST is 30 minutes behind ACST from then (it was 1 hour 30 minutes before). Sunday, 3 October 2027: ACST moves its clocks forward. JST is 1 hour 30 minutes behind ACST from then (it was 30 minutes before).

What is the best time for a meeting between ACST and JST?

Between 9 AM and 6 PM in both places you can meet at 11:00 AM – 6:00 PM ACST = 9:30 AM – 4:30 PM JST. Check the overlap section on this page for every option.

More conversions

Open the converter →
JST to ACST 📅 Plan a meeting: ACST & JST ACST to IST ACST to KST ACST to MSK ACST to UTC ACST to BST ACST to EST ACST to MST EET to JST MSK to JST WAT to JST JST to EET JST to PST