Sydney to Koolauloa time converter

Koolauloa is 21 hours behind Sydney. When it is 9:00 AM in Sydney, it is 12:00 PM (Sat, Oct 17) in Koolauloa.

Sydney AEDT

Sunday, October 18, 2026

Koolauloa HST

Saturday, October 17, 2026

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

Sydney to Koolauloa conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 18, 2026 – Apr 4, 2027: -21h
  • Apr 4, 2027 – Oct 3, 2027: -20h
  • Oct 3, 2027 – Oct 18, 2027: -21h

Distance

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

More conversions

Koolauloa to SydneySydney to New YorkSydney to LondonSydney to Los AngelesSydney to ChicagoSydney to TorontoSydney to São PauloSydney to ParisSydney to BerlinSydney to MoscowSydney to DubaiSydney to New DelhiSydney to Bangkok
New York to KoolauloaLondon to KoolauloaLos Angeles to KoolauloaChicago to KoolauloaToronto to KoolauloaSão Paulo to KoolauloaParis to KoolauloaBerlin to KoolauloaMoscow to KoolauloaDubai to KoolauloaNew Delhi to KoolauloaBangkok to Koolauloa

Questions and answers

What is the time difference between Sydney and Koolauloa?

Koolauloa is 21 hours behind Sydney.

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

When it is 9:00 AM in Sydney, it is 12:00 PM (Sat, Oct 17) in Koolauloa.

When is the best time to call Koolauloa from Sydney?

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

Does the time difference between Sydney and Koolauloa change?

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