Hong Kong is currently 2 hours behind Sydney. Convert time between Hong Kong and Sydney, see the exact difference, and find the best hours for calls and meetings.
Hong Kong uses Hong Kong Standard Time. Sydney uses Australian Eastern Standard Time. Hong Kong time is 2 hours behind Sydney. So, when it is 12:00 AM in Hong Kong, it is 2:00 AM in Sydney.
Common Hong Kong times and their Sydney equivalents.
| Hong Kong Time | Sydney Time |
|---|---|
| 12:00 AM Hong Kong | 2:00 AM Sydney |
| 1:00 AM Hong Kong | 3:00 AM Sydney |
| 2:00 AM Hong Kong | 4:00 AM Sydney |
| 3:00 AM Hong Kong | 5:00 AM Sydney |
| 4:00 AM Hong Kong | 6:00 AM Sydney |
| 5:00 AM Hong Kong | 7:00 AM Sydney |
| 6:00 AM Hong Kong | 8:00 AM Sydney |
| 7:00 AM Hong Kong | 9:00 AM Sydney |
| 8:00 AM Hong Kong | 10:00 AM Sydney |
| 9:00 AM Hong Kong | 11:00 AM Sydney |
| 10:00 AM Hong Kong | 12:00 PM Sydney |
| 11:00 AM Hong Kong | 1:00 PM Sydney |
| 12:00 PM Hong Kong | 2:00 PM Sydney |
| 1:00 PM Hong Kong | 3:00 PM Sydney |
| 2:00 PM Hong Kong | 4:00 PM Sydney |
| 3:00 PM Hong Kong | 5:00 PM Sydney |
| 4:00 PM Hong Kong | 6:00 PM Sydney |
| 5:00 PM Hong Kong | 7:00 PM Sydney |
| 6:00 PM Hong Kong | 8:00 PM Sydney |
| 7:00 PM Hong Kong | 9:00 PM Sydney |
| 8:00 PM Hong Kong | 10:00 PM Sydney |
| 9:00 PM Hong Kong | 11:00 PM Sydney |
| 10:00 PM Hong Kong | 12:00 AM Sydney |
| 11:00 PM Hong Kong | 1:00 AM Sydney |
Hong Kong uses Hong Kong Time (HKT, UTC+8) year-round with no Daylight Saving Time. The fixed offset aligns Hong Kong with Mainland China (CST) and Singapore (SGT). The Hang Seng exchange operates on HKT, making it a key financial timezone for the Asia-Pacific region.
Sydney uses Australian Eastern Standard Time (AEST, UTC+10) in winter and Australian Eastern Daylight Time (AEDT, UTC+11) in summer. Because Australia is in the Southern Hemisphere, its summer runs October–April — the opposite of the Northern Hemisphere. Clocks go forward on the first Sunday of October and back on the first Sunday of April.
Both Hong Kong and Sydney may observe Daylight Saving Time, which means the offset between them can change twice a year. Here is what to expect each season.
| Period | Note | Hong Kong | Sydney | Offset |
|---|---|---|---|---|
| Nov – Mar | Both on standard time | GMT+8 (UTC+8) | GMT+11 (UTC+11) | 3 hours |
| Mar – late Mar | US clocks forward, some zones still on standard | GMT+8 (UTC+8) | GMT+11 (UTC+11) | 3 hours |
| Late Mar – Oct current | Both on summer / daylight time | GMT+8 (UTC+8) | GMT+10 (UTC+10) | 2 hours |
| Late Oct – early Nov | Clocks transitioning — check exact date | GMT+8 (UTC+8) | GMT+11 (UTC+11) | 3 hours |
The transition window typically lasts 1–2 weeks in spring and autumn. If you have a recurring weekly meeting near a clock change, verify the exact date to avoid a missed call.
Hong Kong is currently 2 hours behind Sydney. Hong Kong uses Hong Kong Standard Time (UTC+8) and Sydney uses Australian Eastern Standard Time (UTC+10).
The best overlap window is 9:00 am–4:00 pm Hong Kong time, which corresponds to 11:00 am–6:00 pm Sydney time. Both cities are within standard business hours (9 am–6 pm) during this window.
When it is 9:00 AM in Hong Kong, it is 11:00 am in Sydney. Hong Kong is 2 hours behind Sydney.
When it is 5:00 PM in Sydney, it is 3:00 pm in Hong Kong.
Sydney observes Daylight Saving Time but Hong Kong does not. This means the offset between the two cities changes by one hour when Sydney transitions its clocks. Always verify the current offset when scheduling meetings near DST transition dates.