Holy Days Calendar 2025. Over the first six hundred years of christian history, the church arranged and developed a schedule for sacred remembrance and rhythm that we call the christian calendar. January 1, the solemnity of mary, mother of god (observed on sunday) may 29 (thursday of the sixth week of easter) the solemnity of the.

With links to the lessons from the revised common lectionary, as modified for use in episcopal worship These catholic holy days are rooted in canon law and reflect the importance of these celebrations in the liturgical calendar.