ClockinSync
ClockinSync

UTC to AST Time Converter

Coordinated Universal TimeArabia Standard Time

UTC = UTC+0AST = UTC+3

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

UTC (London)AST (Riyadh)

5h of business hours overlap daily (09:00–17:00)

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

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

Frequently Asked Questions

What is the difference between utc and ast?
Coordinated Universal Time (utc) is UTC+0 and Arabia Standard Time (ast) is UTC+3. The difference between them is 3 hours.
Where is utc used?
Coordinated Universal Time (utc) is used in United Kingdom and surrounding regions. The IANA timezone identifier is UTC.
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.
How do I convert utc to ast?
Use the interactive converter above. Drag the time slider to any utc time and the ast equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.

Popular UTC conversions

UTC → New YorkUTC → TokyoUTC → DubaiUTC → SydneyUTC → ParisUTC → BerlinUTC → SingaporeUTC → Los AngelesUTC → TorontoUTC → Mumbai

Popular AST conversions

London → ASTNew York → ASTTokyo → ASTDubai → ASTSydney → ASTParis → ASTBerlin → ASTSingapore → ASTLos Angeles → ASTToronto → AST