Time Difference Between Hong Kong and Adelaide

The time difference between Hong Kong and Adelaide is 1 hours and 30 minutes. When it is 12:00 noon in Hong Kong, it is 13:30 in Adelaide. Hong Kong uses the Asia/Hong_Kong time zone (UTC+8), while Adelaide uses Australia/Adelaide (UTC+9:30).

Adelaide is 1 hours and 30 minutes ahead of Hong Kong — 1 hours and 30 minutes
Hong Kong, Hong Kong
07:40:33
Monday, May 11, 2026
UTC+8 · HKT
Adelaide, Australia
09:10:33
Monday, May 11, 2026
UTC+9:30 · ACST

Time Zone Details: Hong Kong vs Adelaide

Detail Hong Kong Adelaide
Time Zone IDAsia/Hong_KongAustralia/Adelaide
UTC OffsetUTC+8UTC+9:30
AbbreviationHKTACST
DST ActiveNoNo
CountryHong KongAustralia
RegionAsiaOceania

Best Time to Schedule a Call

There are 6 overlapping business hours between Hong Kong and Adelaide (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

09:00–15:30 in Hong Kong  =  10:30–17:00 in Adelaide

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Hong Kong time to Adelaide time. Rows highlighted in green indicate overlapping business hours in both cities.

Hong Kong Adelaide
00:00 01:30 Night
01:00 02:30 Night
02:00 03:30 Night
03:00 04:30 Night
04:00 05:30 Night
05:00 06:30 Night
06:00 07:30
07:00 08:30
08:00 09:30
09:00 10:30 Overlap
10:00 11:30 Overlap
11:00 12:30 Overlap
12:00 13:30 Overlap
13:00 14:30 Overlap
14:00 15:30 Overlap
15:00 16:30 Overlap
16:00 17:30
17:00 18:30
18:00 19:30
19:00 20:30
20:00 21:30
21:00 22:30
22:00 23:30 Night
23:00 00:30 (+1 day) Night

Daylight Saving Time (DST) Impact

Neither Hong Kong nor Adelaide is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Hong Kong–Adelaide Scheduling

Compare Hong Kong and Adelaide with Other Cities

From Hong Kong

From Adelaide

Frequently Asked Questions

What is the time difference between Hong Kong and Adelaide?

The time difference is 1 hours and 30 minutes. Adelaide is 1 hours and 30 minutes ahead of Hong Kong.

Does the time difference change during the year?

It can. If either Hong Kong or Adelaide observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Hong Kong to Adelaide?

The best window is between 09:00 and 15:30 Hong Kong time, which corresponds to 10:30–17:00 in Adelaide. Both sides fall within normal business hours.

How do I convert Hong Kong time to Adelaide time?

Add 1 hours and 30 minutes to Hong Kong time to get Adelaide time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.