ACST/ACDT to JST time converter

JST is 30 minutes behind ACST/ACDT. When it is 9:00 AM in ACST/ACDT, it is 8:30 AM in JST.

ACST/ACDT ACST

Saturday, October 17, 2026

JST UTC+9

Saturday, October 17, 2026

ACST/ACDT
Australian Central Standard Time
Sat, Oct 17
ACSTUTC+9:30
JST
Japan Standard Time
Sat, Oct 17
UTC+9-30m
Finding your time zone…
Shared working hours (9:00–18:00)

ACST/ACDT to JST conversion table

Every hour of today in ACST/ACDT and the matching time in JST. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Both sides are at work from 9:30 AM – 6:00 PM in ACST/ACDT (9:00 AM – 5:30 PM in JST).

Daylight saving time and the difference

The difference stays 30 minutes all year.

More conversions

JST to ACSTACST to UTCACST to GMTACST to ESTACST to CSTACST to MSTACST to PSTACST to CETACST to MSKACST to GSTACST to PKTACST to ISTACST to SGT
UTC to JSTGMT to JSTEST to JSTCST to JSTMST to JSTPST to JSTCET to JSTMSK to JSTGST to JSTPKT to JSTIST to JSTSGT to JST

Questions and answers

What is the time difference between ACST/ACDT and JST?

JST is 30 minutes behind ACST/ACDT.

What time is it in JST when it is 9 AM in ACST/ACDT?

When it is 9:00 AM in ACST/ACDT, it is 8:30 AM in JST.

When is the best time to call JST from ACST/ACDT?

Both sides are at work from 9:30 AM – 6:00 PM in ACST/ACDT (9:00 AM – 5:30 PM in JST).

Does the time difference between ACST/ACDT and JST change?

No. The difference stays 30 minutes all year.