Live Synchronized Time Difference
SydneytoHong KongTime Difference
🇦🇺
Sydney
Australia (GMT+11)02:10:18UTC+11:00
🇭🇰
Hong Kong
Hong Kong (GMT+8)23:10:18UTC+8:00
Direct Distance7,376 km (4,583 miles)
Estimated Flight Time~9.2 hours
Business Overlap5 overlapping hours (9am–5pm)
Mutual Working Window: 5 Overlapping Hours
Recommended calling window between Sydney and Hong Kong
Off-Peak Calling Window
Sydney Time
12:00 PM – 5:00 PM
Hong Kong Time
9:00 AM – 2:00 PM
Both locations share 5 overlapping standard business hours (9:00 AM – 5:00 PM). This is the premier window for real-time video conferences, corporate calls, and instant collaboration without outside-hours disruption.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between Sydney and Hong Kong.
Work (9am-5pm)ShoulderSleep / Off
| Sydney Time (Australia) | Hong Kong Time (Hong Kong) | Status & Recommendation |
|---|---|---|
| 00:00AM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 00:00AM | ⚪ Outside Work Hours |
| 04:00AM | 01:00AM | ⚪ Outside Work Hours |
| 05:00AM | 02:00AM | ⚪ Outside Work Hours |
| 06:00AM | 03:00AM | ⚪ Outside Work Hours |
| 07:00AM | 04:00AM | ⚪ Outside Work Hours |
| 08:00AM | 05:00AM | ⚪ Outside Work Hours |
| 09:00AM | 06:00AM | ⚪ Outside Work Hours |
| 10:00AM | 07:00AM | 🟡 Feasible (Shoulder Hour) |
| 11:00AM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 12:00PM | 09:00AM | 🟢 Ideal Meeting Window |
| 13:00PM | 10:00AM | 🟢 Ideal Meeting Window |
| 14:00PM | 11:00AM | 🟢 Ideal Meeting Window |
| 15:00PM | 12:00PM | 🟢 Ideal Meeting Window |
| 16:00PM | 13:00PM | 🟢 Ideal Meeting Window |
| 17:00PM | 14:00PM | ⚪ Outside Work Hours |
| 18:00PM | 15:00PM | ⚪ Outside Work Hours |
| 19:00PM | 16:00PM | ⚪ Outside Work Hours |
| 20:00PM | 17:00PM | ⚪ Outside Work Hours |
| 21:00PM | 18:00PM | ⚪ Outside Work Hours |
| 22:00PM | 19:00PM | ⚪ Outside Work Hours |
| 23:00PM | 20:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Sydney and Hong Kong?
Hong Kong is 3 hours behind Sydney.
What is the best time to schedule a cross-border meeting between Sydney and Hong Kong?
There are 5 overlapping standard business hours (09:00 - 17:00) between Sydney and Hong Kong. The optimal window is when both parties are in their core working shifts.
Does daylight saving time (DST) affect the time difference between Sydney and Hong Kong?
Yes. If either Australia or Hong Kong observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.