BRT to IRST converter

Brasília Time (São Paulo, Rio de Janeiro, Brasília) to Iran Time (Tehran).

BRT9:07 PMFri 30 Oct 2026

→

IRST3:37 AMSat 31 Oct 2026

IRST is 6 h 30 min ahead of BRT.

Pick a time in BRT

⇄ IRST to BRT

9:00 AM BRT = 3:30 PM IRST same day

Best time to meet

The best time to meet is between 9:00 AM and 11:00 AM BRT, which is 3:30 PM to 5:30 PM IRST. Both sides are then inside 9 AM to 5 PM.

BRT to IRST time table

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

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

Quick answers

9:00 AM BRT = 3:30 PM IRST
12:00 PM BRT = 6:30 PM IRST
3:00 PM BRT = 9:30 PM IRST
5:00 PM BRT = 11:30 PM IRST
9:00 AM IRST = 2:30 AM BRT
12:00 PM IRST = 5:30 AM BRT
5:00 PM IRST = 10:30 AM BRT

Does the gap change during the year?

No. IRST is 6 h 30 min ahead of BRT all year.

BRT does not change its clocks. IRST does not change its clocks.

About BRT and IRST

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.

IRST here means Iran Time, the clock in Tehran. Right now it is UTC+3:30. It has no daylight saving.

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