HKT to AST Time Converter
Hong Kong Time → Arabia Standard Time
HKT = UTC+8AST = UTC+3
⚠️ AST is ambiguous — on this page it means Arabia Standard Time. It also refers to:
HKT (Hong Kong) ↔ AST (Riyadh)
3h of business hours overlap daily (09:00–17:00)
HKT (Hong Kong)
AST (Riyadh)
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.
Frequently Asked Questions
What is the difference between hkt and ast?
Hong Kong Time (hkt) is UTC+8 and Arabia Standard Time (ast) is UTC+3. The difference between them is 5 hours.
Where is hkt used?
Hong Kong Time (hkt) is used in Hong Kong and surrounding regions. The IANA timezone identifier is Asia/Hong_Kong.
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 hkt to ast?
Use the interactive converter above. Drag the time slider to any hkt time and the ast equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
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