ACST to BRT converter

Australian Central Time (Adelaide) to Brasília Time (São Paulo, Rio de Janeiro, Brasília).

ACST10:37 AMSat 31 Oct 2026

→

BRT9:07 PMFri 30 Oct 2026

BRT is 13 h 30 min behind ACST.

Pick a time in ACST

⇄ BRT to ACST

9:00 AM ACST = 7:30 PM BRT previous day

Best time to meet

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

ACST to BRT time table

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

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

Quick answers

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

Does the gap change during the year?

Yes, because of daylight saving. Until 4 Apr 2027: BRT is 13 h 30 min behind ACST. From 4 Apr 2027 to 3 Oct 2027: BRT is 12 h 30 min behind ACST. From 3 Oct 2027 to 2 Apr 2028: BRT is 13 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). BRT does not change its clocks.

About ACST and BRT

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.

BRT here means Brasília Time, the clock in São Paulo, Rio de Janeiro, Brasília. Right now it is UTC−3. It has no daylight saving.

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