KST to Sydney Time Converter
Convert Korea Standard Time to Sydney instantly.
Scroll the timeline to check any hour of the day.
Korea Standard Time
KST
5:27
Sydney
AEST
6:27
Search any city, build a custom world clock, and plan across more time zones and options in the FlutterTime app. Free.
How the KST to Sydney time difference works
Sydney is 1 hour ahead of KST. Korea Standard Time (KST) is the time zone of South Korea. Sydney (AEST) is a city in Australia. For example, 9:00 AM KST is 10:00 AM Sydney. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
1 hour
Daylight saving
Sydney only
KST offset
UTC+9
Sydney offset
UTC+10
KST to Sydney conversion chart
| Korea Standard Time (KST) | Sydney (AEST) |
|---|---|
| 12:00 AM | 1:00 AM |
| 1:00 AM | 2:00 AM |
| 2:00 AM | 3:00 AM |
| 3:00 AM | 4:00 AM |
| 4:00 AM | 5:00 AM |
| 5:00 AM | 6:00 AM |
| 6:00 AM | 7:00 AM |
| 7:00 AM | 8:00 AM |
| 8:00 AM | 9:00 AM |
| 9:00 AM | 10:00 AM |
| 10:00 AM | 11:00 AM |
| 11:00 AM | 12:00 PM |
| 12:00 PM | 1:00 PM |
| 1:00 PM | 2:00 PM |
| 2:00 PM | 3:00 PM |
| 3:00 PM | 4:00 PM |
| 4:00 PM | 5:00 PM |
| 5:00 PM | 6:00 PM |
| 6:00 PM | 7:00 PM |
| 7:00 PM | 8:00 PM |
| 8:00 PM | 9:00 PM |
| 9:00 PM | 10:00 PM |
| 10:00 PM | 11:00 PM |
| 11:00 PM | 12:00 AM +1 day |
Best time to meet
A standard 9 to 5 workday overlaps from 9:00 AM to 4:00 PM KST (10:00 AM to 5:00 PM Sydney). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
Korea Standard Time (KST)
SeoulBusanIncheonDaeguDaejeon
Sydney (AEST)
CanberraAustralian Eastern Time
KST to Sydney questions
Is Sydney ahead of or behind KST?
Sydney is 1 hour ahead of KST. So 9:00 AM KST is 10:00 AM Sydney, and 5:00 PM KST is 6:00 PM Sydney.
What time is it in Sydney when it is 12:00 PM KST?
When it is 12:00 PM (noon) KST in Korea Standard Time, it is 1:00 PM Sydney in Sydney.
How many hours difference is there between KST and Sydney?
There is a 1 hour difference. Sydney (AEST) runs 1 hour ahead of Korea Standard Time (KST).
Do KST and Sydney observe daylight saving time?
Sydney observes daylight saving time but Korea Standard Time does not, so the difference between them changes by an hour twice a year.
What is the best time to schedule a meeting between KST and Sydney?
A standard 9-to-5 workday overlaps from 9:00 AM to 4:00 PM KST (10:00 AM to 5:00 PM Sydney). Scheduling inside that window keeps the call during business hours in both Korea Standard Time and Sydney.
Which cities use KST and Sydney?
Korea Standard Time (KST) covers cities such as Seoul, Busan, Incheon, Daegu, Daejeon. Sydney (AEST) covers cities such as Canberra, Australian Eastern Time.