Vienna to Haikou time converter
Haikou is 6 hours ahead of Vienna. When it is 9:00 AM in Vienna, it is 3:00 PM in Haikou.
5:09 AM in Vienna, Tuesday, October 20, 2026
Vienna to Haikou conversion table
Every hour of today in Vienna and the matching time in Haikou. Light rows are typical working hours (9:00–18:00).
| Vienna | Haikou |
|---|---|
| 12:00 AM | 6:00 AM |
| 1:00 AM | 7:00 AM |
| 2:00 AM | 8:00 AM |
| 3:00 AM | 9:00 AM |
| 4:00 AM | 10:00 AM |
| 5:00 AM | 11:00 AM |
| 6:00 AM | 12:00 PM |
| 7:00 AM | 1:00 PM |
| 8:00 AM | 2:00 PM |
| 9:00 AM | 3:00 PM |
| 10:00 AM | 4:00 PM |
| 11:00 AM | 5:00 PM |
| 12:00 PM | 6:00 PM |
| 1:00 PM | 7:00 PM |
| 2:00 PM | 8:00 PM |
| 3:00 PM | 9:00 PM |
| 4:00 PM | 10:00 PM |
| 5:00 PM | 11:00 PM |
| 6:00 PM | 12:00 AM+1 day |
| 7:00 PM | 1:00 AM+1 day |
| 8:00 PM | 2:00 AM+1 day |
| 9:00 PM | 3:00 AM+1 day |
| 10:00 PM | 4:00 AM+1 day |
| 11:00 PM | 5:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 12:00 PM in Vienna (3:00 PM – 6:00 PM in Haikou).
Daylight saving time and the difference
The difference changes during the year because Vienna and Haikou switch clocks on different dates:
- Oct 20, 2026 – Oct 25, 2026: +6h
- Oct 25, 2026 – Mar 28, 2027: +7h
- Mar 28, 2027 – Oct 20, 2027: +6h
Distance
Vienna and Haikou are 8,646 km (5,372 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Vienna and Haikou?
Haikou is 6 hours ahead of Vienna.
What time is it in Haikou when it is 9 AM in Vienna?
When it is 9:00 AM in Vienna, it is 3:00 PM in Haikou.
When is the best time to call Haikou from Vienna?
Both sides are at work from 9:00 AM – 12:00 PM in Vienna (3:00 PM – 6:00 PM in Haikou).
Does the time difference between Vienna and Haikou change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.