AEST to ACST converter

Australian Eastern Time (Sydney, Melbourne, Canberra) to Australian Central Time (Adelaide).

AEST11:07 AMSat 31 Oct 2026

→

ACST10:37 AMSat 31 Oct 2026

ACST is 30 min behind AEST.

Pick a time in AEST

⇄ ACST to AEST

9:00 AM AEST = 8:30 AM ACST same day

Best time to meet

The best time to meet is between 10:00 AM and 5:00 PM AEST, which is 9:30 AM to 4:30 PM ACST. Both sides are then inside 9 AM to 5 PM.

AEST to ACST time table

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

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

Quick answers

9:00 AM AEST = 8:30 AM ACST
12:00 PM AEST = 11:30 AM ACST
3:00 PM AEST = 2:30 PM ACST
5:00 PM AEST = 4:30 PM ACST
9:00 AM ACST = 9:30 AM AEST
12:00 PM ACST = 12:30 PM AEST
5:00 PM ACST = 5:30 PM AEST

Does the gap change during the year?

Yes, because of daylight saving. Until 4 Apr 2027: ACST is 30 min behind AEST. From 4 Apr 2027 to 4 Apr 2027: ACST is 30 min ahead of AEST. From 4 Apr 2027 to 3 Oct 2027: ACST is 30 min behind AEST. From 3 Oct 2027 to 3 Oct 2027: ACST is 1 h 30 min behind AEST. From 3 Oct 2027 to 2 Apr 2028: ACST is 30 min behind AEST.

AEST next changes its clocks on 4 Apr 2027 (back 1 h, to UTC+10), then on 3 Oct 2027 (forward 1 h, to UTC+11). 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).

About AEST and ACST

AEST here means Australian Eastern Time, the clock in Sydney, Melbourne, Canberra. Right now it is UTC+11. Strictly, AEST is the winter name; in summer these places use AEDT. This page follows their real clock all year.

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.

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