BRT to ACST converter

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

BRT9:07 PMFri 30 Oct 2026

→

ACST10:37 AMSat 31 Oct 2026

ACST is 13 h 30 min ahead of BRT.

Pick a time in BRT

⇄ ACST to BRT

9:00 AM BRT = 10:30 PM ACST same 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.

BRT to ACST time table

For 30 Oct 2026. Green rows: both sides between 9 AM and 5 PM.

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

Quick answers

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

Does the gap change during the year?

Yes, because of daylight saving. Until 3 Apr 2027: ACST is 13 h 30 min ahead of BRT. From 3 Apr 2027 to 2 Oct 2027: ACST is 12 h 30 min ahead of BRT. From 2 Oct 2027 to 1 Apr 2028: ACST is 13 h 30 min ahead of BRT.

BRT 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 BRT and ACST

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.

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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