Sydney zone
GMT+10 (GMT+10)
Hong Kong zone
GMT+8 (GMT+8)
Difference
2 hours behind Sydney
Business overlap
6h (9-5 windows)
Working hours overlap
Each cell is one hour in Sydney. Filled cells mark when 9 AM – 5 PM in Sydney and Hong Kong both apply.
6 hours per day
- Sydney
- GMT+10
- Hong Kong
- GMT+8
- Difference
- -2h
- Business overlap
- 6h
Hour-by-hour conversion
Each row shows the matching local time in Hong Kong for an hour in Sydney.
| Sydney | Hong Kong | Day | Window |
|---|---|---|---|
| 12:00 AM | 10:00 PM | previous day | — |
| 1:00 AM | 11:00 PM | previous day | — |
| 2:00 AM | 12:00 AM | same day | — |
| 3:00 AM | 1:00 AM | same day | — |
| 4:00 AM | 2:00 AM | same day | — |
| 5:00 AM | 3:00 AM | same day | — |
| 6:00 AM | 4:00 AM | same day | — |
| 7:00 AM | 5:00 AM | same day | — |
| 8:00 AM | 6:00 AM | same day | — |
| 9:00 AM | 7:00 AM | same day | — |
| 10:00 AM | 8:00 AM | same day | — |
| 11:00 AM | 9:00 AM | same day | Both 9-5 |
| 12:00 PM | 10:00 AM | same day | Both 9-5 |
| 1:00 PM | 11:00 AM | same day | Both 9-5 |
| 2:00 PM | 12:00 PM | same day | Both 9-5 |
| 3:00 PM | 1:00 PM | same day | Both 9-5 |
| 4:00 PM | 2:00 PM | same day | Both 9-5 |
| 5:00 PM | 3:00 PM | same day | — |
| 6:00 PM | 4:00 PM | same day | — |
| 7:00 PM | 5:00 PM | same day | — |
| 8:00 PM | 6:00 PM | same day | — |
| 9:00 PM | 7:00 PM | same day | — |
| 10:00 PM | 8:00 PM | same day | — |
| 11:00 PM | 9:00 PM | same day | — |
Best meeting windows
If both teams keep standard 9 AM – 5 PM hours, the overlap window is roughly 11:00 AM – 5:00 PM in Sydney time. That gives you 6 hours per workday for live meetings.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting Sydney time to Hong Kong time
Sydney follows the Australia/Sydney time zone (currently GMT+10, GMT+10), while Hong Kong follows Asia/Hong_Kong (currently GMT+8, GMT+8). Hong Kong is 2 hours behind Sydney right now.
Sydney observes daylight saving time, while Hong Kong does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
Sydney
- Fall back · Sunday, April 5, 2026
- Spring forward · Sunday, October 4, 2026
Hong Kong
Does not observe daylight saving time.
Reverse this conversion
Hong Kong to Sydney
Open the converter
Plan a meeting between Sydney and Hong Kong
More conversions from Sydney
Frequently asked questions
- How many hours is Sydney from Hong Kong?
- Hong Kong is 2 hours behind Sydney right now.
- What time is 9:00 AM Sydney in Hong Kong?
- 9:00 AM in Sydney is 7:00 AM in Hong Kong.
- What time is 5:00 PM Sydney in Hong Kong?
- 5:00 PM in Sydney is 3:00 PM in Hong Kong.
- When do Sydney and Hong Kong business hours overlap?
- Standard 9 AM - 5 PM working hours overlap for about 6 hours, roughly from 11:00 AM to 5:00 PM in Sydney time.
- Does daylight saving time change the difference between Sydney and Hong Kong?
- Sydney observes daylight saving time while Hong Kong does not, so the offset between them changes by one hour twice a year.
Local time page
Time in Sydney
Local time page
Time in Hong Kong