BRT to AST converter

Brasília Time (São Paulo, Rio de Janeiro, Brasília) to Atlantic Time (Halifax).

BRT9:07 PMFri 30 Oct 2026

→

AST9:07 PMFri 30 Oct 2026

AST is the same time as BRT.

Pick a time in BRT

⇄ AST to BRT

9:00 AM BRT = 9:00 AM AST same day

Best time to meet

The best time to meet is between 9:00 AM and 5:00 PM BRT, which is 9:00 AM to 5:00 PM AST. Both sides are then inside 9 AM to 5 PM.

BRT to AST time table

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

BRT	AST
12:00 AM BRT	12:00 AM AST
1:00 AM BRT	1:00 AM AST
2:00 AM BRT	2:00 AM AST
3:00 AM BRT	3:00 AM AST
4:00 AM BRT	4:00 AM AST
5:00 AM BRT	5:00 AM AST
6:00 AM BRT	6:00 AM AST
7:00 AM BRT	7:00 AM AST
8:00 AM BRT	8:00 AM AST
9:00 AM BRT	9:00 AM AST
10:00 AM BRT	10:00 AM AST
11:00 AM BRT	11:00 AM AST
12:00 PM BRT	12:00 PM AST
1:00 PM BRT	1:00 PM AST
2:00 PM BRT	2:00 PM AST
3:00 PM BRT	3:00 PM AST
4:00 PM BRT	4:00 PM AST
5:00 PM BRT	5:00 PM AST
6:00 PM BRT	6:00 PM AST
7:00 PM BRT	7:00 PM AST
8:00 PM BRT	8:00 PM AST
9:00 PM BRT	9:00 PM AST
10:00 PM BRT	10:00 PM AST
11:00 PM BRT	11:00 PM AST

Quick answers

9:00 AM BRT = 9:00 AM AST
12:00 PM BRT = 12:00 PM AST
3:00 PM BRT = 3:00 PM AST
5:00 PM BRT = 5:00 PM AST
9:00 AM AST = 9:00 AM BRT
12:00 PM AST = 12:00 PM BRT
5:00 PM AST = 5:00 PM BRT

Does the gap change during the year?

Yes, because of daylight saving. Until 1 Nov 2026: AST is the same time as BRT. From 1 Nov 2026 to 14 Mar 2027: AST is 1 h behind BRT. From 14 Mar 2027 to 7 Nov 2027: AST is the same time as BRT.

BRT does not change its clocks. AST next changes its clocks on 1 Nov 2026 (back 1 h, to UTC−4), then on 14 Mar 2027 (forward 1 h, to UTC−3).

About BRT and AST

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.

AST here means Atlantic Time, the clock in Halifax. Right now it is UTC−3. Strictly, AST is the winter name; in summer these places use ADT. This page follows their real clock all year.

Every city on your wrist

Meanwhile puts these times in your Mac menu bar, on your iPhone home screen and on your Apple Watch. Type “3pm Tokyo” and every city answers. Free for 3 cities. Unlock every city on every device once for $4.99, shared with your family. No subscription.

Coming soon