KST to ACST converter

Korea Time (Seoul) to Australian Central Time (Adelaide).

KST9:07 AMSat 31 Oct 2026

→

ACST10:37 AMSat 31 Oct 2026

ACST is 1 h 30 min ahead of KST.

Pick a time in KST

⇄ ACST to KST

9:00 AM KST = 10:30 AM ACST same day

Best time to meet

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

KST to ACST time table

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

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

Quick answers

9:00 AM KST = 10:30 AM ACST
12:00 PM KST = 1:30 PM ACST
3:00 PM KST = 4:30 PM ACST
5:00 PM KST = 6:30 PM ACST
9:00 AM ACST = 7:30 AM KST
12:00 PM ACST = 10:30 AM KST
5:00 PM ACST = 3:30 PM KST

Does the gap change during the year?

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

KST does not change its clocks. 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 KST and ACST

KST here means Korea Time, the clock in Seoul. Right now it is UTC+9. It has no daylight saving.

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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