BST to ACST converter

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

BST12:07 AMSat 31 Oct 2026

→

ACST10:37 AMSat 31 Oct 2026

ACST is 10 h 30 min ahead of BST.

Pick a time in BST

⇄ ACST to BST

9:00 AM BST = 7:30 PM ACST same day

Best time to meet

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

BST to ACST time table

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

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

Quick answers

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

Does the gap change during the year?

Yes, because of daylight saving. Until 28 Mar 2027: ACST is 10 h 30 min ahead of BST. From 28 Mar 2027 to 3 Apr 2027: ACST is 9 h 30 min ahead of BST. From 3 Apr 2027 to 2 Oct 2027: ACST is 8 h 30 min ahead of BST. From 2 Oct 2027 to 31 Oct 2027: ACST is 9 h 30 min ahead of BST. From 31 Oct 2027 to 26 Mar 2028: ACST is 10 h 30 min ahead of BST.

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). 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 BST and ACST

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.

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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