Austria observes several public holidays each year, which are recognized nationwide. The public holidays are as follows:
January 1 - New Year's Day
January 6 - Holy Three Kings
April 6 - Easter Monday
May 1 - Labor Day
May 14 - Ascension Day
May 25 - Whit Monday
August 15 - Assumption of Mary
October 26 - National Holiday
November 1 - All Saints' Day
December 8 - Immaculate Conception
December 25 - Christmas Day
December 26 - St. Stephen's Day
Additional Information
Public Holiday Dates: Some dates, such as Easter Monday and Corpus Christi, may be confirmed closer to the date.
Public Holiday Observance: If a public holiday falls on a weekend, it does not typically result in a substitute holiday.
For further details, you can visit Wien.gv.at's official page on public holidays.