Sydney
UTC
Convert AEST to UTC
Australian Eastern Standard Time to Coordinated Universal Time — UTC is 10 hours behind Sydney
Quick Facts
Time Difference
-10 hours
AEST Full Name
Australian Eastern Standard Time
UTC Full Name
Coordinated Universal Time
AEST to UTC Conversion Table
Related Conversions
About AEST and UTC Time Zones
AEST (Australian Eastern Standard Time) is UTC+10 and covers cities like Sydney, Melbourne, Brisbane. UTC (Coordinated Universal Time) is UTC+0 and covers cities like Universal reference time.
When it's 12:00 PM (noon) in Sydney (AEST), it's 2:00 AM in UTC (UTC). The time difference between AEST and UTC is 10 hours — UTC is behind Sydney.
The 10-hour difference makes real-time overlap challenging — early morning calls (7–9 AM AEST) work best.
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 AEST and UTC may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare Sydney and UTC with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between AEST and UTC?
UTC (UTC) is 10 hours behind Sydney (AEST). The offset is -10 hours.
Is UTC ahead or behind AEST?
UTC is 10 hours behind AEST. AEST is UTC+10 and UTC is UTC+0.
When it's 12:00 PM in Sydney, what time is it in UTC?
When it's 12:00 PM (noon) in Sydney (AEST), it's 2:00 AM in UTC (UTC).
When it's 5:00 PM in Sydney, what time is it in UTC?
When it's 5:00 PM in Sydney (AEST), it's 7:00 AM in UTC (UTC).
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.