Does Adelaide observe daylight saving time?

Yes. Adelaide is on ACDT (UTC+10:30) now, and its clocks go back 1 hour on Sun, Apr 4, 2027, to ACST (UTC+9:30).

Does Hong Kong observe daylight saving time?

No. Hong Kong stays on HKT (UTC+8) all year, so its clocks don't change.

What time is it in Hong Kong when it's 9 AM in Adelaide?

6:30 AM in Hong Kong, on the same day.

Adelaide to Hong Kong Meeting Planner

Hong Kong is 2 hours 30 minutes behind Adelaide right now. Their working days overlap for 5 hours 30 minutes today.

Adelaide · Australia

1:07 PM

Sun, Oct 18 · ACDT · summer time

Hong Kong · China

10:37 AM

Sun, Oct 18 · HKT

Best Meeting Times Between Adelaide and Hong Kong

11:30 AM to 5:00 PM in Adelaide (9:00 AM to 2:30 PM in Hong Kong). That's when both cities are inside working hours, 9 AM to 5 PM, giving 5 hours 30 minutes of overlap today.

Who's meeting

2 of 4 places

AdelaideOrganizerAustralia ·· summer time1:07PMnow
Hong KongChina ·10:37AMnow

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 Adelaide

Working hours, everywhere

Best times to meet

Sunday, October 18, 2026, in Adelaide time.

1:00PMBest · OptimalWorking hours in Adelaide (13:00) and Hong Kong (10:30).
12:30PMOption 2 · OptimalWorking hours in Adelaide (12:30) and Hong Kong (10:00).
1:30PMOption 3 · OptimalWorking hours in Adelaide (13:30) and Hong Kong (11:00).

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 half hour 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
AdelaideACDT
Hong KongUTC+8
UTC	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13

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

Your meeting

Adelaide1:00 PM ACDTSun, Oct 18
Hong Kong10:30 AM UTC+8Sun, Oct 18
UTC2026-10-18 02:30 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Adelaide and Hong Kong

Hong Kong is 2 hours 30 minutes behind Adelaide right now: Hong Kong is on HKT (UTC+8) and Adelaide on ACDT (UTC+10:30). That changes on Sun, Apr 4, 2027, when clocks go back in Adelaide: then Hong Kong is 1 hour 30 minutes behind Adelaide.

Time difference between Adelaide and Hong Kong over the next 12 months
From	Difference	Why
Now	Hong Kong 2 hours 30 minutes behind	—
Sun, Apr 4, 2027	Hong Kong 1 hour 30 minutes behind	Clocks go back in Adelaide
Sun, Oct 3, 2027	Hong Kong 2 hours 30 minutes behind	Clocks go forward in Adelaide

Adelaide is on Australian Central Standard Time. Hong Kong is on Hong Kong Standard Time.

Frequently Asked Questions: Adelaide & Hong Kong Scheduling

What is the time difference between Adelaide and Hong Kong?: Hong Kong is 2 hours 30 minutes behind Adelaide right now: Hong Kong is on HKT (UTC+8) and Adelaide on ACDT (UTC+10:30). That changes on Sun, Apr 4, 2027, when clocks go back in Adelaide: then Hong Kong is 1 hour 30 minutes behind Adelaide.
What is the best time to schedule a meeting between Adelaide and Hong Kong?: 11:30 AM to 5:00 PM in Adelaide (9:00 AM to 2:30 PM in Hong Kong). That's when both cities are inside working hours, 9 AM to 5 PM, giving 5 hours 30 minutes of overlap today.
Does Adelaide observe daylight saving time?: Yes. Adelaide is on ACDT (UTC+10:30) now, and its clocks go back 1 hour on Sun, Apr 4, 2027, to ACST (UTC+9:30).
Does Hong Kong observe daylight saving time?: No. Hong Kong stays on HKT (UTC+8) all year, so its clocks don't change.
What time is it in Hong Kong when it's 9 AM in Adelaide?: 6:30 AM in Hong Kong, on the same day.

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