Public holidays
1664, Slovenia
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1664 | New Year's Day |
| 2 | Wednesday, 2 January 1664 | New Year Holiday |
| 3 | Friday, 8 February 1664 | Preseren's Day |
| 4 | Sunday, 13 April 1664 | Easter |
| 5 | Monday, 14 April 1664 | Easter Monday |
| 6 | Sunday, 27 April 1664 | Resistance Day |
| 7 | Thursday, 1 May 1664 | May Day |
| 8 | Friday, 2 May 1664 | May Day Holiday |
| 9 | Sunday, 1 June 1664 | Whitsunday |
| 10 | Wednesday, 25 June 1664 | Statehood Day |
| 11 | Friday, 15 August 1664 | Assumption Day |
| 12 | Friday, 31 October 1664 | Reformation Day |
| 13 | Saturday, 1 November 1664 | All Saints' Day |
| 14 | Thursday, 25 December 1664 | Christmas Day |
| 15 | Friday, 26 December 1664 | Independence and Unity Day |