Koster to Sydney time converter

Sydney is 9 hours ahead of Koster. When it is 9:00 AM in Koster, it is 6:00 PM in Sydney.

Koster SAST

Sunday, October 18, 2026

Sydney AEDT

Monday, October 19, 2026

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

Koster to Sydney conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Koster (4:00 PM – 6:00 PM in Sydney): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 18, 2026 – Apr 3, 2027: +9h
  • Apr 3, 2027 – Oct 2, 2027: +8h
  • Oct 2, 2027 – Oct 18, 2027: +9h

Distance

Koster and Sydney are 11,148 km (6,927 miles) apart in a straight line.

More conversions

Sydney to KosterKoster to New YorkKoster to LondonKoster to Los AngelesKoster to ChicagoKoster to TorontoKoster to São PauloKoster to ParisKoster to BerlinKoster to MoscowKoster to DubaiKoster to New DelhiKoster 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 Koster and Sydney?

Sydney is 9 hours ahead of Koster.

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

When it is 9:00 AM in Koster, it is 6:00 PM in Sydney.

When is the best time to call Sydney from Koster?

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Koster (4:00 PM – 6:00 PM in Sydney): working hours on one side, early or late on the other.

Does the time difference between Koster 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.