Union to Vienna time converter
Vienna is 6 hours ahead of Union. When it is 9:00 AM in Union, it is 3:00 PM in Vienna.
3:59 PM in Union, Saturday, October 17, 2026
Union to Vienna conversion table
Every hour of today in Union and the matching time in Vienna. Light rows are typical working hours (9:00–18:00).
| Union | Vienna |
|---|---|
| 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 Union (3:00 PM – 6:00 PM in Vienna).
Daylight saving time and the difference
The difference changes during the year because Union and Vienna switch clocks on different dates:
- Oct 17, 2026 – Oct 24, 2026: +6h
- Oct 24, 2026 – Nov 1, 2026: +5h
- Nov 1, 2026 – Mar 14, 2027: +6h
- Mar 14, 2027 – Mar 27, 2027: +5h
- Mar 27, 2027 – Oct 17, 2027: +6h
Distance
Union and Vienna are 6,814 km (4,234 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Union and Vienna?
Vienna is 6 hours ahead of Union.
What time is it in Vienna when it is 9 AM in Union?
When it is 9:00 AM in Union, it is 3:00 PM in Vienna.
When is the best time to call Vienna from Union?
Both sides are at work from 9:00 AM – 12:00 PM in Union (3:00 PM – 6:00 PM in Vienna).
Does the time difference between Union and Vienna change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.