ACST to BST converter

Australian Central Time (Adelaide) to UK Time (London, Dublin, Lisbon).

ACST10:37 AMSat 31 Oct 2026

→

BST12:07 AMSat 31 Oct 2026

BST is 10 h 30 min behind ACST.

Pick a time in ACST

⇄ BST to ACST

9:00 AM ACST = 10:30 PM BST previous day

Best time to meet

No hour falls inside 9 AM to 5 PM in both places, so one side always meets outside office hours.

ACST to BST time table

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

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

Quick answers

9:00 AM ACST = 10:30 PM BST (previous day)
12:00 PM ACST = 1:30 AM BST
3:00 PM ACST = 4:30 AM BST
5:00 PM ACST = 6:30 AM BST
9:00 AM BST = 7:30 PM ACST
12:00 PM BST = 10:30 PM ACST
5:00 PM BST = 3:30 AM ACST (next day)

Does the gap change during the year?

Yes, because of daylight saving. Until 28 Mar 2027: BST is 10 h 30 min behind ACST. From 28 Mar 2027 to 4 Apr 2027: BST is 9 h 30 min behind ACST. From 4 Apr 2027 to 3 Oct 2027: BST is 8 h 30 min behind ACST. From 3 Oct 2027 to 31 Oct 2027: BST is 9 h 30 min behind ACST. From 31 Oct 2027 to 26 Mar 2028: BST is 10 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). BST next changes its clocks on 28 Mar 2027 (forward 1 h, to UTC+1), then on 31 Oct 2027 (back 1 h, to UTC+0).

About ACST and BST

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.

BST here means UK Time, the clock in London, Dublin, Lisbon. Right now it is UTC+0. In winter the same clock is called GMT. This page follows the real clock all year.

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