From
Haikou
China
1:58 PM
Sun, Nov 1
UTC+8Asia/Shanghai
Time Difference
Haikou vs Sydney Time Difference
Compare the current local time in Haikou, China and Sydney, Australia.
Live local timeDST awareUTC offsets
Current difference
Sydney is currently 3 hours ahead of Haikou.
This difference is calculated using the current UTC offsets for both locations and automatically reflects daylight-saving changes.
24-hour comparison
Compare Haikou and Sydney hour by hour
See how a full local day in Haikou, China maps to Sydney, Australia. TimeInOne automatically accounts for timezone offsets, date changes and daylight-saving transitions.
Best working-hours overlap
9:00 AM – 3:00 PM in Haikou
corresponds to 12:00 PM – 6:00 PM in Sydney.
Haikou
Asia/Shanghai
Sydney
Australia/Sydney
Availability
12:00 AM
Sun, Nov 1
3:00 AM
Sun, Nov 1
Night
1:00 AM
Sun, Nov 1
4:00 AM
Sun, Nov 1
Night
2:00 AM
Sun, Nov 1
5:00 AM
Sun, Nov 1
Night
3:00 AM
Sun, Nov 1
6:00 AM
Sun, Nov 1
Night
4:00 AM
Sun, Nov 1
7:00 AM
Sun, Nov 1
Night
5:00 AM
Sun, Nov 1
8:00 AM
Sun, Nov 1
Night
6:00 AM
Sun, Nov 1
9:00 AM
Sun, Nov 1
Night
7:00 AM
Sun, Nov 1
10:00 AM
Sun, Nov 1
Possible
8:00 AM
Sun, Nov 1
11:00 AM
Sun, Nov 1
Possible
9:00 AM
Sun, Nov 1
12:00 PM
Sun, Nov 1
Good overlap
10:00 AM
Sun, Nov 1
1:00 PM
Sun, Nov 1
Good overlap
11:00 AM
Sun, Nov 1
2:00 PM
Sun, Nov 1
Good overlap
12:00 PM
Sun, Nov 1
3:00 PM
Sun, Nov 1
Good overlap
1:00 PM
Sun, Nov 1
4:00 PM
Sun, Nov 1
Good overlap
2:00 PM
Sun, Nov 1
5:00 PM
Sun, Nov 1
Good overlap
3:00 PM
Sun, Nov 1
6:00 PM
Sun, Nov 1
Possible
4:00 PM
Sun, Nov 1
7:00 PM
Sun, Nov 1
Possible
5:00 PM
Sun, Nov 1
8:00 PM
Sun, Nov 1
Possible
6:00 PM
Sun, Nov 1
9:00 PM
Sun, Nov 1
Night
7:00 PM
Sun, Nov 1
10:00 PM
Sun, Nov 1
Night
8:00 PM
Sun, Nov 1
11:00 PM
Sun, Nov 1
Night
9:00 PM
Sun, Nov 1
12:00 AM
Next dayMon, Nov 2
Night
10:00 PM
Sun, Nov 1
1:00 AM
Next dayMon, Nov 2
Night
11:00 PM
Sun, Nov 1
2:00 AM
Next dayMon, Nov 2
Night
Working-hour labels use a general 9:00 AM–6:00 PM schedule. Individual schedules may differ.
On daylight-saving transition dates, a local day can contain 23 or 25 real hours instead of 24.
Call planning
Best time to call Sydney from Haikou
Compare typical business hours in Haikou, China and Sydney, Australia to find a practical time for calls, meetings or international coordination.
Haikou
1:58 PM – 3:58 PM
China
Best overlap
Sydney
4:58 PM – 6:58 PM
Australia
The best time to call Sydney from Haikou is between 1:58 PM and 3:58 PM in Haikou. This corresponds to 4:58 PM – 6:58 PM in Sydney.
Other reasonable windows
Haikou
3:58 PM – 6:58 PM
Sydney
6:58 PM – 9:58 PM
Recommendations use typical 9:00 AM–6:00 PM business hours and a broader 7:00 AM–9:00 PM acceptable calling window. Individual schedules may differ.
Time difference explained
Haikou and Sydney time difference explained
Current local-time relationship
Sydney is currently 3 hours ahead of Haikou.
Haikou uses Asia/Shanghai and currently has an offset of UTC+8. Sydney uses Australia/Sydney and currently has an offset of UTC+11.
Working-hours overlap
For a typical 9:00 AM–6:00 PM workday, the cities overlap from 9:00 AM to 3:00 PM in Haikou, corresponding to 12:00 PM–6:00 PM in Sydney.
Because UTC offsets can change during the year, always check the selected date when planning an important international call or meeting.
Convert a specific time
Need more than the current difference?
Convert a specific date and local time between Haikou and Sydney.
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FAQ
Haikou to Sydney time difference FAQ
Common questions about the current time difference, UTC offsets, daylight-saving changes and practical calling hours between Haikou and Sydney.
What is the time difference between Haikou and Sydney?
The current time difference between Haikou and Sydney is 3 hours. Sydney is currently 3 hours ahead of Haikou.
Is Sydney ahead of or behind Haikou?
Sydney is currently 3 hours ahead of Haikou.
What time is it in Sydney when it is 9:00 AM in Haikou?
Using the current UTC offsets, 9:00 AM in Haikou corresponds to 12:00 PM in Sydney. The exact difference can change when daylight-saving rules change.
What is the best time to call Sydney from Haikou?
Typical 9:00 AM–6:00 PM business hours overlap between 9:00 AM and 3:00 PM in Haikou. This corresponds to 12:00 PM–6:00 PM in Sydney.
Can the time difference between Haikou and Sydney change?
Yes. The time difference can change if Haikou or Sydney changes its UTC offset because of daylight-saving or other local time-zone rules. TimeInOne uses the IANA zones Asia/Shanghai and Australia/Sydney for date-aware calculations.