Sydney to Honolulu time converter

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

Sydney AEDT

Sunday, October 18, 2026

Honolulu HST

Saturday, October 17, 2026

New South Wales, Australia
Sun, Oct 18
AEDTUTC+11
Hawaii, United States
Sat, Oct 17
HSTUTC-10-21h
Finding your time zone…

5:33 PM in Sydney, Sunday, October 18, 2026

Shared working hours (9:00–18:00)

Sydney to Honolulu conversion table

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

SydneyHonolulu
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 Honolulu).

Daylight saving time and the difference

The difference changes during the year because Sydney and Honolulu 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 Honolulu are 8,166 km (5,074 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Sydney and Honolulu?

Honolulu is 21 hours behind Sydney.

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

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

When is the best time to call Honolulu from Sydney?

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

Does the time difference between Sydney and Honolulu change?

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