Rio de Janeiro to AST Time

Rio de Janeiro, Rio de Janeiro, Brazil Time

Thu Jul, 09, 2026
8:13 AM

Rio de Janeiro, Rio de Janeiro, Brazil

Rio de Janeiro time (BRT) is 3 hours behind Universal Time (UTC-3)

Atlantic Standard Time

Thu Jul, 09, 2026
7:13 AM

Atlantic Standard Time (AST)

AST is 4 hours behind Universal Time (UTC-4)

Rio de Janeiro to AST Time Conversion

When it is 12:00 PM in Rio de Janeiro, it is 11:00 AM in AST.

📞The best time to schedule a call is between 10 AM and 5 PM in Rio de Janeiro, which is between 9 AM and 4 PM in AST.

Time difference between Rio de Janeiro and AST

Rio de Janeiro is 1 hour ahead of AST.

🕐 Subtract 1 hour from Rio de Janeiro time to get AST time.

Rio de Janeiro uses 3 hours behind Universal Time (UTC-3) and AST uses 4 hours behind Universal Time (UTC-4).

Rio de Janeiro to AST time conversion chart (24 hours)

Highlighted rows are overlapping 9-to-5 business hours – the best time to schedule a call between Rio de Janeiro and AST.
Rio de Janeiro Time AST Time
12 AM Rio de Janeiro Time ↔ 11 PM AST Time
1 AM Rio de Janeiro Time ↔ 12 AM AST Time
2 AM Rio de Janeiro Time ↔ 1 AM AST Time
3 AM Rio de Janeiro Time ↔ 2 AM AST Time
4 AM Rio de Janeiro Time ↔ 3 AM AST Time
5 AM Rio de Janeiro Time ↔ 4 AM AST Time
6 AM Rio de Janeiro Time ↔ 5 AM AST Time
7 AM Rio de Janeiro Time ↔ 6 AM AST Time
8 AM Rio de Janeiro Time ↔ 7 AM AST Time
9 AM Rio de Janeiro Time ↔ 8 AM AST Time
10 AM Rio de Janeiro Time ↔ 9 AM AST Time
11 AM Rio de Janeiro Time ↔ 10 AM AST Time
Rio de Janeiro Time AST Time
12 PM Rio de Janeiro Time ↔ 11 AM AST Time
1 PM Rio de Janeiro Time ↔ 12 PM AST Time
2 PM Rio de Janeiro Time ↔ 1 PM AST Time
3 PM Rio de Janeiro Time ↔ 2 PM AST Time
4 PM Rio de Janeiro Time ↔ 3 PM AST Time
5 PM Rio de Janeiro Time ↔ 4 PM AST Time
6 PM Rio de Janeiro Time ↔ 5 PM AST Time
7 PM Rio de Janeiro Time ↔ 6 PM AST Time
8 PM Rio de Janeiro Time ↔ 7 PM AST Time
9 PM Rio de Janeiro Time ↔ 8 PM AST Time
10 PM Rio de Janeiro Time ↔ 9 PM AST Time
11 PM Rio de Janeiro Time ↔ 10 PM AST Time

Rio de Janeiro to AST - Frequently Asked Questions

Q

What is the time difference between Rio de Janeiro and AST?

A

Rio de Janeiro is 1 hour ahead of AST.

Q

Is Rio de Janeiro ahead of or behind AST?

A

Rio de Janeiro is ahead of AST by 1 hour.

Q

When it is 9:00 AM in Rio de Janeiro, what time is it in AST?

A

It is 8:00 AM in AST.

Convert Rio de Janeiro Time to Popular Time Zones

Rio de Janeiro to EST
Rio de Janeiro to CST
Rio de Janeiro to PST
Rio de Janeiro to CET
Rio de Janeiro to UTC
Rio de Janeiro to PDT
Rio de Janeiro to IST
Rio de Janeiro to MST
Rio de Janeiro to EDT
Rio de Janeiro to CDT
Rio de Janeiro to GMT
Rio de Janeiro to EET
Rio de Janeiro to BST
Rio de Janeiro to AEDT
Rio de Janeiro to CEST
Rio de Janeiro to AEST
Rio de Janeiro to SGT
Rio de Janeiro to GST
Rio de Janeiro to EEST
Rio de Janeiro to ADT
Rio de Janeiro to AWST
Rio de Janeiro to CAT
Rio de Janeiro to CST-CH
Rio de Janeiro to HKT
Rio de Janeiro to HST
Rio de Janeiro to IDT
Rio de Janeiro to ICT
Rio de Janeiro to IST-I
Rio de Janeiro to JST
Rio de Janeiro to KST
Rio de Janeiro to MDT
Rio de Janeiro to MSK
Rio de Janeiro to NPT
Rio de Janeiro to SAST
Rio de Janeiro to PKT
Rio de Janeiro to EAT
Rio de Janeiro to ECT
Rio de Janeiro to CST-CU
Rio de Janeiro to NZDT
Rio de Janeiro to NZST
Rio de Janeiro to MYT
Rio de Janeiro to BRT
Rio de Janeiro to AKDT
Rio de Janeiro to AKST
Rio de Janeiro to CLT
Rio de Janeiro to CLST
Rio de Janeiro to UYT
Rio de Janeiro to WET

Convert Hourly Time in Rio de Janeiro to AST

1 am Rio de Janeiro to AST
2 am Rio de Janeiro to AST
3 am Rio de Janeiro to AST
4 am Rio de Janeiro to AST
5 am Rio de Janeiro to AST
6 am Rio de Janeiro to AST
7 am Rio de Janeiro to AST
8 am Rio de Janeiro to AST
9 am Rio de Janeiro to AST
10 am Rio de Janeiro to AST
11 am Rio de Janeiro to AST
12 pm Rio de Janeiro to AST
1 pm Rio de Janeiro to AST
2 pm Rio de Janeiro to AST
3 pm Rio de Janeiro to AST
4 pm Rio de Janeiro to AST
5 pm Rio de Janeiro to AST
6 pm Rio de Janeiro to AST
7 pm Rio de Janeiro to AST
8 pm Rio de Janeiro to AST
9 pm Rio de Janeiro to AST
10 pm Rio de Janeiro to AST
11 pm Rio de Janeiro to AST
12 am Rio de Janeiro to AST

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