Koesan to Sydney time converter

Sydney is 2 hours ahead of Koesan. When it is 9:00 AM in Koesan, it is 11:00 AM in Sydney.

Koesan KST

Monday, October 19, 2026

Sydney AEDT

Monday, October 19, 2026

Koesan
South Korea
Mon, Oct 19
KSTUTC+9
Sydney
New South Wales, Australia
Mon, Oct 19
AEDTUTC+11+2h
Finding your time zone…
Shared working hours (9:00–18:00)

Koesan to Sydney conversion table

Every hour of today in Koesan and the matching time in Sydney. Light rows are typical working hours (9:00–18:00).

KoesanSydney
12:00 AM2:00 AM
1:00 AM3:00 AM
2:00 AM4:00 AM
3:00 AM5:00 AM
4:00 AM6:00 AM
5:00 AM7:00 AM
6:00 AM8:00 AM
7:00 AM9:00 AM
8:00 AM10:00 AM
9:00 AM11:00 AM
10:00 AM12:00 PM
11:00 AM1:00 PM
12:00 PM2:00 PM
1:00 PM3:00 PM
2:00 PM4:00 PM
3:00 PM5:00 PM
4:00 PM6:00 PM
5:00 PM7:00 PM
6:00 PM8:00 PM
7:00 PM9:00 PM
8:00 PM10:00 PM
9:00 PM11:00 PM
10:00 PM12:00 AM+1 day
11:00 PM1:00 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 4:00 PM in Koesan (11:00 AM – 6:00 PM in Sydney).

Daylight saving time and the difference

The difference changes during the year because Koesan and Sydney switch clocks on different dates:

  • Oct 19, 2026 – Apr 4, 2027: +2h
  • Apr 4, 2027 – Oct 3, 2027: +1h
  • Oct 3, 2027 – Oct 19, 2027: +2h

Distance

Koesan and Sydney are 8,225 km (5,111 miles) apart in a straight line.

More conversions

Sydney to KoesanKoesan to New YorkKoesan to LondonKoesan to Los AngelesKoesan to ChicagoKoesan to TorontoKoesan to São PauloKoesan to ParisKoesan to BerlinKoesan to MoscowKoesan to DubaiKoesan to New DelhiKoesan to Bangkok
New York to SydneyLondon to SydneyLos Angeles to SydneyChicago to SydneyToronto to SydneySão Paulo to SydneyParis to SydneyBerlin to SydneyMoscow to SydneyDubai to SydneyNew Delhi to SydneyBangkok to Sydney

Questions and answers

What is the time difference between Koesan and Sydney?

Sydney is 2 hours ahead of Koesan.

What time is it in Sydney when it is 9 AM in Koesan?

When it is 9:00 AM in Koesan, it is 11:00 AM in Sydney.

When is the best time to call Sydney from Koesan?

Both sides are at work from 9:00 AM – 4:00 PM in Koesan (11:00 AM – 6:00 PM in Sydney).

Does the time difference between Koesan and Sydney change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.