Riyadh
Sydney
Convert AST to AEST
Arabia Standard Time to Australian Eastern Standard Time — Sydney is 7 hours ahead of Riyadh
Quick Facts
Time Difference
+7 hours
AST Full Name
Arabia Standard Time
AEST Full Name
Australian Eastern Standard Time
AST to AEST Conversion Table
Related Conversions
About AST and AEST Time Zones
AST (Arabia Standard Time) is UTC+3 and covers cities like Riyadh, Jeddah, Baghdad. AEST (Australian Eastern Standard Time) is UTC+10 and covers cities like Sydney, Melbourne, Brisbane.
When it's 12:00 PM (noon) in Riyadh (AST), it's 7:00 PM in Sydney (AEST). The time difference between AST and AEST is 7 hours — Sydney is ahead of Riyadh.
The best meeting window is 4:00 PM–5:00 PM AST (9:00 AM–10:00 AM AEST).
Daylight Saving Time
AEST observes Daylight Saving Time and becomes AEDT (Australian Eastern Daylight Time) during summer months, shifting clocks forward by 1 hour to UTC+11.
During DST transitions, the time difference between AST and AEST may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare Riyadh and Sydney with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between AST and AEST?
Sydney (AEST) is 7 hours ahead of Riyadh (AST). The offset is +7 hours.
Is AEST ahead or behind AST?
AEST is 7 hours ahead of AST. AST is UTC+3 and AEST is UTC+10.
When it's 12:00 PM in Riyadh, what time is it in Sydney?
When it's 12:00 PM (noon) in Riyadh (AST), it's 7:00 PM in Sydney (AEST).
When it's 5:00 PM in Riyadh, what time is it in Sydney?
When it's 5:00 PM in Riyadh (AST), it's 12:00 AM in Sydney (AEST).
Does AEST change for Daylight Saving Time?
Yes. AEST (Australian Eastern Standard Time, UTC+10) becomes AEDT (Australian Eastern Daylight Time, UTC+11) in summer, shifting clocks forward 1 hour.