Koolauloa to Sydney time converter

Sydney is 21 hours ahead of Koolauloa. When it is 9:00 AM in Koolauloa, it is 6:00 AM (Sun, Oct 18) in Sydney.

Koolauloa HST

Saturday, October 17, 2026

Sydney AEDT

Sunday, October 18, 2026

Koolauloa
Hawaii, United States
Sat, Oct 17
HSTUTC-10
Sydney
New South Wales, Australia
Sun, Oct 18
AEDTUTC+11+21h
Finding your time zone…
Shared working hours (9:00–18:00)

Koolauloa to Sydney conversion table

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

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

Best time to call or meet

Both sides are at work from 12:00 PM – 6:00 PM in Koolauloa (9:00 AM – 3:00 PM in Sydney).

Daylight saving time and the difference

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

  • Oct 17, 2026 – Apr 3, 2027: +21h
  • Apr 3, 2027 – Oct 2, 2027: +20h
  • Oct 2, 2027 – Oct 17, 2027: +21h

Distance

Koolauloa and Sydney are 8,186 km (5,087 miles) apart in a straight line.

More conversions

Sydney to KoolauloaKoolauloa to New YorkKoolauloa to LondonKoolauloa to Los AngelesKoolauloa to ChicagoKoolauloa to TorontoKoolauloa to São PauloKoolauloa to ParisKoolauloa to BerlinKoolauloa to MoscowKoolauloa to DubaiKoolauloa to New DelhiKoolauloa 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 Koolauloa and Sydney?

Sydney is 21 hours ahead of Koolauloa.

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

When it is 9:00 AM in Koolauloa, it is 6:00 AM (Sun, Oct 18) in Sydney.

When is the best time to call Sydney from Koolauloa?

Both sides are at work from 12:00 PM – 6:00 PM in Koolauloa (9:00 AM – 3:00 PM in Sydney).

Does the time difference between Koolauloa 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.