Public holidays
1645, Österreich, Niederösterreich (private Unternehmen)
| # | Date | Public holiday |
|---|---|---|
| 1 | Sunday, 1 January 1645 | Neujahrstag |
| 2 | Friday, 6 January 1645 | Heilige Drei Könige |
| 3 | Monday, 17 April 1645 | Ostermontag |
| 4 | Monday, 1 May 1645 | Staatsfeiertag |
| 5 | Thursday, 25 May 1645 | Christi Himmelfahrt |
| 6 | Monday, 5 June 1645 | Pfingstmontag |
| 7 | Thursday, 15 June 1645 | Fronleichnam |
| 8 | Tuesday, 15 August 1645 | Mariä Himmelfahrt |
| 9 | Thursday, 26 October 1645 | Nationalfeiertag |
| 10 | Wednesday, 1 November 1645 | Allerheiligen |
| 11 | Friday, 8 December 1645 | Mariä Empfängnis |
| 12 | Monday, 25 December 1645 | Weihnachten |
| 13 | Tuesday, 26 December 1645 | Stefanitag |