| # | Date | Public holiday | 
|---|---|---|
| 1 | Friday, 1 January 1904 | New Year's Day | 
| 2 | Saturday, 2 January 1904 | New Year Holiday | 
| 3 | Monday, 8 February 1904 | Preseren's Day | 
| 4 | Sunday, 3 April 1904 | Easter | 
| 5 | Monday, 4 April 1904 | Easter Monday | 
| 6 | Wednesday, 27 April 1904 | Resistance Day | 
| 7 | Sunday, 1 May 1904 | May Day | 
| 8 | Monday, 2 May 1904 | May Day Holiday | 
| 9 | Sunday, 22 May 1904 | Whitsunday | 
| 10 | Saturday, 25 June 1904 | Statehood Day | 
| 11 | Monday, 15 August 1904 | Assumption Day | 
| 12 | Monday, 31 October 1904 | Reformation Day | 
| 13 | Tuesday, 1 November 1904 | All Saints' Day | 
| 14 | Sunday, 25 December 1904 | Christmas Day | 
| 15 | Monday, 26 December 1904 | Independence and Unity Day |