Offset
The time difference between Hong Kong and Adelaide is 1.5 hours.
Hong Kong (HKT) is behind Adelaide (ACST).
HKT: UTC+8
ACST: UTC+9:30
Neither Hong Kong nor Adelaide is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–4 PM in Hong Kong (10 AM–5 PM in Adelaide).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Hong Kong (1:30 PM Adelaide).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Hong Kong
- New Year's DayThu, Jan 1
- Lunar New YearTue, Feb 17
- Second day of Lunar New YearWed, Feb 18
- Third day of Lunar New YearThu, Feb 19
- Good FridayFri, Apr 3
- Holy SaturdaySat, Apr 4
- Ching Ming FestivalSat, Apr 4
- Easter MondayMon, Apr 6
- Labour DayFri, May 1
- Buddha's BirthdayMon, May 25
- Dragon Boat FestivalFri, Jun 19
- Hong Kong Special Administrative Region Establishment DayWed, Jul 1
- Day following the Mid-Autumn FestivalSat, Sep 26
- National DayThu, Oct 1
- Chung Yeung FestivalMon, Oct 19
- Christmas DayFri, Dec 25
- Boxing DaySat, Dec 26
Australia
- New Year's DayThu, Jan 1
- Australia DayMon, Jan 26
- Good FridayFri, Apr 3
- Easter MondayMon, Apr 6
- Christmas DayFri, Dec 25
- St. Stephen's DayMon, Dec 28
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Hong Kong | Adelaide | Day |
|---|---|---|
| 12:00 am | 1:30 am | Same day |
| 1:00 am | 2:30 am | Same day |
| 2:00 am | 3:30 am | Same day |
| 3:00 am | 4:30 am | Same day |
| 4:00 am | 5:30 am | Same day |
| 5:00 am | 6:30 am | Same day |
| 6:00 am | 7:30 am | Same day |
| 7:00 am | 8:30 am | Same day |
| 8:00 am | 9:30 am | Same day |
| 9:00 am | 10:30 am | Same day |
| 10:00 am | 11:30 am | Same day |
| 11:00 am | 12:30 pm | Same day |
| 12:00 pm | 1:30 pm | Same day |
| 1:00 pm | 2:30 pm | Same day |
| 2:00 pm | 3:30 pm | Same day |
| 3:00 pm | 4:30 pm | Same day |
| 4:00 pm | 5:30 pm | Same day |
| 5:00 pm | 6:30 pm | Same day |
| 6:00 pm | 7:30 pm | Same day |
| 7:00 pm | 8:30 pm | Same day |
| 8:00 pm | 9:30 pm | Same day |
| 9:00 pm | 10:30 pm | Same day |
| 10:00 pm | 11:30 pm | Same day |
| 11:00 pm | 12:30 am | +1 day |
Daylight saving time
Adelaide observes daylight saving time; Hong Kong does not. The offset between the two zones changes when Adelaide transitions: on Sunday, October 4, 2026, clocks spring forward from ACST to ACDT.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:40 AM
- Sunset
- 7:07 PM
- Day length
- 13h 27m
- Sunrise
- 7:19 AM
- Sunset
- 5:12 PM
- Day length
- 9h 53m
Daylight overlap: 9h 53m — 5:49 AM–3:42 PM in Hong Kong (7:19 AM–5:12 PM in Adelaide). Both locations are in daylight during this window.
Cities in these zones
Other cities in Hong Kong Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Hong Kong Time
- HKG
Airports in Australian Central Time
- ADL
Related conversions
Common conversions
- What is 9:00 am Hong Kong in Adelaide?
- 9:00 am Hong Kong is 10:30 am Adelaide.
- What is 12:00 pm Hong Kong in Adelaide?
- 12:00 pm Hong Kong is 1:30 pm Adelaide.
- What is 12:30 pm Hong Kong in Adelaide?
- 12:30 pm Hong Kong is 2:00 pm Adelaide.
- What is 2:00 pm Hong Kong in Adelaide?
- 2:00 pm Hong Kong is 3:30 pm Adelaide.
- What is 5:00 pm Hong Kong in Adelaide?
- 5:00 pm Hong Kong is 6:30 pm Adelaide.
- What is 11:30 pm Hong Kong in Adelaide?
- 11:30 pm Hong Kong is 1:00 am Adelaide, the next day.