Does Honolulu observe daylight saving time?

No. Honolulu stays on HST (UTC-10) all year, so its clocks don't change.

Does Sydney observe daylight saving time?

Yes. Sydney is on AEDT (UTC+11) now, and its clocks go back 1 hour on Sun, Apr 4, 2027, to AEST (UTC+10).

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

6:00 AM in Sydney, the next day (Sat, Oct 17, when it's Fri, Oct 16 in Honolulu).

Honolulu to Sydney Meeting Planner

Sydney is 21 hours ahead of Honolulu right now. Their working days overlap for 5 hours today.

Honolulu · United States

7:45 PM

Fri, Oct 16 · HST

Sydney · Australia

4:45 PM

Sat, Oct 17 · AEDT · summer time

Best Meeting Times Between Honolulu and Sydney

12:00 PM to 5:00 PM in Honolulu (9:00 AM to 2:00 PM in Sydney). That's when both cities are inside working hours, 9 AM to 5 PM, giving 5 hours of overlap today.

Who's meeting

2 of 4 places

HonoluluOrganizerUnited States ·7:45PMnow
SydneyAustralia ·· summer time4:45PMTomorrow · now

Add a city

Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in Honolulu

Working hours, everywhere

Best times to meet

Friday, October 16, 2026, in Honolulu time.

1:00PMBest · OptimalWorking hours in Honolulu (13:00) and Sydney (10:00, next day).
12:00PMOption 2 · OptimalWorking hours in Honolulu (12:00) and Sydney (09:00, next day).
2:00PMOption 3 · OptimalWorking hours in Honolulu (14:00) and Sydney (11:00, next day).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a one-hour slot of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
HonoluluHST
SydneyAEDT
UTC	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

Honolulu1:00 PM HSTFri, Oct 16
Sydney10:00 AM AEDTSat, Oct 17
UTC2026-10-16 23:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Honolulu and Sydney

Sydney is 21 hours ahead of Honolulu right now: Sydney is on AEDT (UTC+11) and Honolulu on HST (UTC-10). That changes on Sun, Apr 4, 2027, when clocks go back in Sydney: then Sydney is 20 hours ahead of Honolulu.

Time difference between Honolulu and Sydney over the next 12 months
From	Difference	Why
Now	Sydney 21 hours ahead	—
Sun, Apr 4, 2027	Sydney 20 hours ahead	Clocks go back in Sydney
Sun, Oct 3, 2027	Sydney 21 hours ahead	Clocks go forward in Sydney

Honolulu is on Hawaii-Aleutian Standard Time. Sydney is on Australian Eastern Standard Time.

Frequently Asked Questions: Honolulu & Sydney Scheduling

What is the time difference between Honolulu and Sydney?: Sydney is 21 hours ahead of Honolulu right now: Sydney is on AEDT (UTC+11) and Honolulu on HST (UTC-10). That changes on Sun, Apr 4, 2027, when clocks go back in Sydney: then Sydney is 20 hours ahead of Honolulu.
What is the best time to schedule a meeting between Honolulu and Sydney?: 12:00 PM to 5:00 PM in Honolulu (9:00 AM to 2:00 PM in Sydney). That's when both cities are inside working hours, 9 AM to 5 PM, giving 5 hours of overlap today.
Does Honolulu observe daylight saving time?: No. Honolulu stays on HST (UTC-10) all year, so its clocks don't change.
Does Sydney observe daylight saving time?: Yes. Sydney is on AEDT (UTC+11) now, and its clocks go back 1 hour on Sun, Apr 4, 2027, to AEST (UTC+10).
What time is it in Sydney when it's 9 AM in Honolulu?: 6:00 AM in Sydney, the next day (Sat, Oct 17, when it's Fri, Oct 16 in Honolulu).

Or see every city pair, or plan with more places in the meeting planner.