On public holiday, the Stapferhaus is open as follows:
| December 8, 2024 | Immaculate Conception | open |
| December 24, 2024 | Christmas Eve | closed |
| December 25, 2024 | Christmas | closed |
| December 26, 2024 | Boxing Day | open |
| December 27 to 29, 2024 | Between the years | open |
| December 30, 2024 | Monday | closed |
| December 31, 2024 | New Years Eve | closed |
| January 1st, 2025 | New Year | closed |
| January 2, 2025 | Berchtolds Day | open |
| January 3 to 5, 2025 | New Year's days | open |
| January 6, 2025 | Epiphany | closed |
| April 17, 2025 | Maundy Thursday | open |
April 18, 2025 | Good Friday | open |
| April 19, 2025 | Holy Saturday | open |
| April 20, 2025 | Easter | open |
| April 21, 2025 | Easter Monday | open |
| May 1st, 2025 | Labour Day | open |
| May 29, 2025 | Ascension Day | open |
| June 8, 2025 | Pentecost | open |
| June 9, 2025 | Whit Monday | open |
| June 19, 2025 | Corpus Christi | open until 20h |
| July 11, 2025 | Youth Festival of Lenzburg | open |
| August 1st, 2025 | National Holiday | closed |
| August 15, 2025 | Assumption Day | open |
| September 21, 2025 | Federal Day of Prayer | open |
| November 1st, 2025 | All Saints' Day | open |
On these Mondays, the Stapferhaus is exceptionally open:
December 16, 2024
January 27, 2025
February 24, 2025
March 31, 2025
May 26, 2025
June 30, 2025
August 25, 2025
September 29, 2025
October 27, 2025
On these thursdays, the Stapferhaus stays open until 20h instead of 17h:
January 16, 2025
February 13, 2025
March 27, 2025
May 22. 2025
June 16, 2025 (Corpus Christi)
September 18, 2025
October 10, 2025