ACST to CST converter

Australian Central Time (Adelaide) to Central Time (Chicago, Dallas, Houston, Winnipeg).

ACST10:37 AMSat 31 Oct 2026

→

CST7:07 PMFri 30 Oct 2026

CST is 15 h 30 min behind ACST.

Pick a time in ACST

⇄ CST to ACST

9:00 AM ACST = 5:30 PM CST previous day

Best time to meet

No hour falls inside 9 AM to 5 PM in both places. The least painful: around 7:00 AM ACST, which is 3:30 PM CST.

ACST to CST time table

For 31 Oct 2026. Green rows: both sides between 9 AM and 5 PM.

ACST	CST
12:00 AM ACST	8:30 AM CST previous day
1:00 AM ACST	9:30 AM CST previous day
2:00 AM ACST	10:30 AM CST previous day
3:00 AM ACST	11:30 AM CST previous day
4:00 AM ACST	12:30 PM CST previous day
5:00 AM ACST	1:30 PM CST previous day
6:00 AM ACST	2:30 PM CST previous day
7:00 AM ACST	3:30 PM CST previous day
8:00 AM ACST	4:30 PM CST previous day
9:00 AM ACST	5:30 PM CST previous day
10:00 AM ACST	6:30 PM CST previous day
11:00 AM ACST	7:30 PM CST previous day
12:00 PM ACST	8:30 PM CST previous day
1:00 PM ACST	9:30 PM CST previous day
2:00 PM ACST	10:30 PM CST previous day
3:00 PM ACST	11:30 PM CST previous day
4:00 PM ACST	12:30 AM CST
5:00 PM ACST	1:30 AM CST
6:00 PM ACST	2:30 AM CST
7:00 PM ACST	3:30 AM CST
8:00 PM ACST	4:30 AM CST
9:00 PM ACST	5:30 AM CST
10:00 PM ACST	6:30 AM CST
11:00 PM ACST	7:30 AM CST

Quick answers

9:00 AM ACST = 5:30 PM CST (previous day)
12:00 PM ACST = 8:30 PM CST (previous day)
3:00 PM ACST = 11:30 PM CST (previous day)
5:00 PM ACST = 1:30 AM CST
9:00 AM CST = 12:30 AM ACST (next day)
12:00 PM CST = 3:30 AM ACST (next day)
5:00 PM CST = 8:30 AM ACST (next day)

Does the gap change during the year?

Yes, because of daylight saving. Until 1 Nov 2026: CST is 15 h 30 min behind ACST. From 1 Nov 2026 to 14 Mar 2027: CST is 16 h 30 min behind ACST. From 14 Mar 2027 to 4 Apr 2027: CST is 15 h 30 min behind ACST. From 4 Apr 2027 to 3 Oct 2027: CST is 14 h 30 min behind ACST. From 3 Oct 2027 to 7 Nov 2027: CST is 15 h 30 min behind ACST.

ACST next changes its clocks on 4 Apr 2027 (back 1 h, to UTC+9:30), then on 3 Oct 2027 (forward 1 h, to UTC+10:30). CST next changes its clocks on 1 Nov 2026 (back 1 h, to UTC−6), then on 14 Mar 2027 (forward 1 h, to UTC−5).

About ACST and CST

ACST here means Australian Central Time, the clock in Adelaide. Right now it is UTC+10:30. Strictly, ACST is the winter name; in summer these places use ACDT. This page follows their real clock all year.

CST here means Central Time, the clock in Chicago, Dallas, Houston, Winnipeg. Right now it is UTC−5. Strictly, CST is the winter name; in summer these places use CDT. This page follows their real clock all year.

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