Time difference: Honolulu and Sydney

Sydney is 21 hours ahead of Honolulu.

Sydney is 21 hours ahead of Honolulu. Honolulu is UTC-10. Sydney is UTC+11.

Honolulu on 15 October 2026: sunrise 06:27, sunset 18:06, day length 11 h 40 min.

Sydney on 15 October 2026: sunrise 06:14, sunset 19:08, day length 12 h 54 min.

For Honolulu and Sydney: Honolulu has no clock change scheduled in the next year. January and July both use UTC-10.

For Sydney and Honolulu: The next clock change in Sydney is 1 hour back on 4 April 2027 at 03:00, from UTC+11 to UTC+10.

When the difference changes
Change
The gap changes on 4 April 2027 at 03:00, when clocks in Sydney move back 1 hour.
The gap changes on 3 October 2027 at 02:00, when clocks in Sydney move forward 1 hour.
The gap changes on 2 April 2028 at 03:00, when clocks in Sydney move back 1 hour.

Working hours from each side
View	09:00 to 17:00
From Honolulu	Honolulu 12:00 to 17:00; Sydney 09:00 to 14:00 (next day)
From Sydney	Sydney 09:00 to 14:00; Honolulu 12:00 to 17:00 (previous day)

Sun this year
City	Longest day	Shortest day
Honolulu with Sydney	20 June 2026, 13 h 26 min	21 December 2026, 10 h 50 min
Sydney with Honolulu	22 December 2026, 14 h 25 min	21 June 2026, 9 h 54 min