Bible Encyclopedias
Nefasti, Dies

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

i.e., unlawful days, a term among the ancient Romans for those days on which neither courts of justice nor the assemblies of people could be held; afterwards they were dedicated chiefly to the worship of the gods. Numa PompiIius is said to have been the originator of the dies nefasti.

Bibliography Information
McClintock, John. Strong, James. Entry for 'Nefasti, Dies'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/​encyclopedias/​eng/​tce/​n/nefasti-dies.html. Harper & Brothers. New York. 1870.