GST to AST Time Converter
Gulf Standard Time → Arabia Standard Time
GST = UTC+4AST = UTC+3
⚠️ AST is ambiguous — on this page it means Arabia Standard Time. It also refers to:
GST (Dubai) ↔ AST (Riyadh)
7h of business hours overlap daily (09:00–17:00)
GST (Dubai)
AST (Riyadh)
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.
Frequently Asked Questions
What is the difference between gst and ast?
Gulf Standard Time (gst) is UTC+4 and Arabia Standard Time (ast) is UTC+3. The difference between them is 1 hours.
Where is gst used?
Gulf Standard Time (gst) is used in United Arab Emirates and surrounding regions. The IANA timezone identifier is Asia/Dubai.
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 gst to ast?
Use the interactive converter above. Drag the time slider to any gst time and the ast equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
Popular GST conversions
GST → LondonGST → New YorkGST → TokyoGST → SydneyGST → ParisGST → BerlinGST → SingaporeGST → Los AngelesGST → TorontoGST → Mumbai