Kailua to Sydney time converter

Sydney is 21 hours ahead of Kailua. When it is 9:00 AM in Kailua, it is 6:00 AM (Mon, Oct 19) in Sydney.

Kailua HST

Sunday, October 18, 2026

Sydney AEDT

Monday, October 19, 2026

Kailua
Hawaii, United States
Sun, Oct 18
HSTUTC-10
Sydney
New South Wales, Australia
Mon, Oct 19
AEDTUTC+11+21h
Finding your time zone…
Shared working hours (9:00–18:00)

Kailua to Sydney conversion table

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

KailuaSydney
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 Kailua (9:00 AM – 3:00 PM in Sydney).

Daylight saving time and the difference

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

  • Oct 18, 2026 – Apr 3, 2027: +21h
  • Apr 3, 2027 – Oct 2, 2027: +20h
  • Oct 2, 2027 – Oct 18, 2027: +21h

Distance

Kailua and Sydney are 8,182 km (5,084 miles) apart in a straight line.

More conversions

Sydney to KailuaKailua to New YorkKailua to LondonKailua to Los AngelesKailua to ChicagoKailua to TorontoKailua to São PauloKailua to ParisKailua to BerlinKailua to MoscowKailua to DubaiKailua to New DelhiKailua 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 Kailua and Sydney?

Sydney is 21 hours ahead of Kailua.

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

When it is 9:00 AM in Kailua, it is 6:00 AM (Mon, Oct 19) in Sydney.

When is the best time to call Sydney from Kailua?

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

Does the time difference between Kailua 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.