ClockinSync
ClockinSync

AST to BRT Time Converter

Arabia Standard TimeBrasilia Time

AST = UTC+3BRT = UTC-3

⚠️ AST is ambiguous — on this page it means Arabia Standard Time. It also refers to:

AST (Riyadh)BRT (São Paulo)

2h of business hours overlap daily (09:00–17:00)

AST (Riyadh)
BRT (São Paulo)
00:00
18:00-1d
01:00
19:00-1d
02:00
20:00-1d
03:00
21:00-1d
04:00
22:00-1d
05:00
23:00-1d
06:00
00:00
07:00
01:00
08:00
02:00
09:00Working
03:00off
10:00Working
04:00off
11:00Working
05:00off
12:00Working
06:00off
13:00Working
07:00off
14:00Working
08:00off
15:00Working
09:00Working
16:00Working
10:00Working
17:00
11:00Working
18:00
12:00Working
19:00
13:00Working
20:00
14:00Working
21:00
15:00Working
22:00
16:00Working
23:00
17:00

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

Frequently Asked Questions

What is the difference between ast and brt?
Arabia Standard Time (ast) is UTC+3 and Brasilia Time (brt) is UTC-3. The difference between them is 6 hours.
Where is ast used?
Arabia Standard Time (ast) is used in Saudi Arabia and surrounding regions. The IANA timezone identifier is Asia/Riyadh. Note: ast is ambiguous and may refer to other timezones.
Where is brt used?
Brasilia Time (brt) is used in Brazil and surrounding regions. The IANA timezone identifier is America/Sao_Paulo.
How do I convert ast to brt?
Use the interactive converter above. Drag the time slider to any ast time and the brt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.

Popular AST conversions

AST → LondonAST → New YorkAST → TokyoAST → DubaiAST → SydneyAST → ParisAST → BerlinAST → SingaporeAST → Los AngelesAST → Toronto

Popular BRT conversions

London → BRTNew York → BRTTokyo → BRTDubai → BRTSydney → BRTParis → BRTBerlin → BRTSingapore → BRTLos Angeles → BRTToronto → BRT