Immediatelly as it will be public Holiday. The resolution to give everyone certain number of vacation days useable as religious Holiday for their choice.
To keep religious Holidays in workdays erodes the sense of festivity. This is the reason why since 1911 the number of the the Holy Days of obligation shows a diminishing trend.
Here is the list of Holy days of obligation from the ore 1911 breviary rubrics
Dominicies omnes
Nativitas Domini
Circumcisio
Epiphania
Feria II et III Paschatis
Ascensio Domini
Feria II et III Pentecostes
Festum Ssmi Corporis Christi
Festum D. N. Jesu Christ! Regis
Inventio S. Grucis
Conceptio immaculata B. M. V.
Purificatio B. Mariae Virg.
Annuntiatio B. Mariae Virg.
Assumptio B. Marias Virg.
Nativitas B. Marias Virg.
Dedicatio S. Michaelis Archangeli
Nativitas S. Joannis Baptists
Festum S. Joseph, Sponsi B. Marias Virg., Gonf.
Solemnitas S. Joseph, Sponsi B. Mariae Virg., Gonf. et Ecclesiae universalis Patroni
Festum S. Andreae Ap.
Festum S. Thomas Ap.
Festum S. Joannis Ap. et Ev.
Festum S. Matthiae Ap.
Festum Ss. Philippi et Jacobi App.
Festum Ss. Petri et Paul! App.
Festum S. Jacobi Ap.
Festum S. Bartholomaei Ap.
Festum S. Matthaei Ap. et Ev.
Festum Ss. Simonis et Judae App.
Festum S. Stephani Protomartyris
Festum Ss. Innocentium Mm.
Festum S. Annae, Matris B. Mariae Virg.
Festum S. Laurentii Mart.
Festum S. Joachim, Patris B. Mariae Virg., Conf.
Festum Omnium Sanctorum
Festum Patronorum principalium Oppidi vel Giritatis, Dicecesis, Provincias et Nationis