Sydney
Seoul
Convert AEST to KST
Australian Eastern Standard Time to Korea Standard Time — Seoul is 1 hour behind Sydney
Quick Facts
Time Difference
-1 hours
AEST Full Name
Australian Eastern Standard Time
KST Full Name
Korea Standard Time
AEST to KST Conversion Table
Related Conversions
About AEST and KST Time Zones
AEST (Australian Eastern Standard Time) is UTC+10 and covers cities like Sydney, Melbourne, Brisbane. KST (Korea Standard Time) is UTC+9 and covers cities like Seoul, Busan, Incheon.
When it's 12:00 PM (noon) in Sydney (AEST), it's 11:00 AM in Seoul (KST). The time difference between AEST and KST is 1 hour — Seoul is behind Sydney.
With only a 1-hour difference, Sydney and Seoul share nearly a full business day overlap, making scheduling straightforward.
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 KST 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 Seoul with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between AEST and KST?
Seoul (KST) is 1 hour behind Sydney (AEST). The offset is -1 hours.
Is KST ahead or behind AEST?
KST is 1 hour behind AEST. AEST is UTC+10 and KST is UTC+9.
When it's 12:00 PM in Sydney, what time is it in Seoul?
When it's 12:00 PM (noon) in Sydney (AEST), it's 11:00 AM in Seoul (KST).
When it's 5:00 PM in Sydney, what time is it in Seoul?
When it's 5:00 PM in Sydney (AEST), it's 4:00 PM in Seoul (KST).
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.