Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between aest and ast?
Australian Eastern Standard Time (aest) is UTC+10 and Arabia Standard Time (ast) is UTC+3. The difference between them is 7 hours.
Where is aest used?
Australian Eastern Standard Time (aest) is used in Australia and surrounding regions. The IANA timezone identifier is Australia/Brisbane.
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 aest to ast?
Use the interactive converter above. Drag the time slider to any aest time and the ast equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
AEST (Brisbane) to AST (Riyadh) — exact time difference
AEST (Brisbane) is 7 hours ahead of AST (Riyadh). When it's noon in AEST (Brisbane), it's 05:00 in AST (Riyadh).
AEST (Brisbane) runs on Australia/Brisbane; AST (Riyadh) runs on Asia/Riyadh. Together they are 7 hours apart.
Working hours overlap
Both AEST (Brisbane) and AST (Riyadh) are simultaneously in business hours for 1 hour per day (assuming standard 9:00–17:00 working hours).
00:0006:0012:0018:0024:00
AEST (Brisbane)
AST (Riyadh)
Overlap (1h)
Best call times between these locations
There is a 1-hour daily window where both locations are in business hours.
16:00 Brisbane / 09:00 Riyadh✓ Both working
Working hours defined as 09:00–17:00 local time for each location.
Public holidays this year
AEST (Brisbane)7 holidays
Aug 3Picnic Day
Sep 28King's Birthday
Oct 5Labour Day
Oct 5King's Birthday
Nov 3Melbourne Cup
AST (Riyadh)
No upcoming public holidays this year.
AEST (Brisbane) and AST (Riyadh) — practical scheduling
AEST (Brisbane) (Australia) and AST (Riyadh) (Saudi Arabia) are 7 hours apart. With a 1-hour daily overlap in standard business hours, both teams can connect in real time without either side stretching beyond their normal workday.
💡 Practical scheduling guidelines
✅
If you are in AEST (Brisbane), aim for 16:00–17:00, which corresponds to 09:00–10:00 in AST (Riyadh) — both teams are within working hours.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am AEST (Brisbane)".