しゅくじつ祝日shukujitsu
1.

A designated day recognized by the government, during which people generally do not work and activities may be held to celebrate historical events or cultural traditions.

2.

A day set aside for festivities and observances, often associated with national significance or remembrance, allowing citizens to partake in communal activities.

3.

A specific day that commemorates an event or achievement, providing an opportunity for reflection, celebration, or rest in accordance with national customs or heritage.

Example:

その日は国会の法令によって祝日になった。