Heortology : $b A history of the Christian festivals from their origin to the present day

"Heortology: A History of the Christian Festivals from Their Origin to the Present Day" by Dr. K. A. Heinrich Kellner is a historical account written in the early 20th century. The book examines the origins, development, and significance of Christian festivals, particularly within the Roman Catholic Church. The work aims to provide a comprehensive understanding of how these festivals fit into the ecclesiastical calendar and their theological implications, serving as a resource for theologians, clergy, and students of religious studies." "The opening of "Heortology" introduces the concept of sacred time and festivals, emphasizing their significance in expressing worship through designated days for rest and reflection. It discusses the long-standing tradition across religions of dedicating time to the divine and the establishment of Christian holy days, particularly focusing on the origins of the ecclesiastical calendar derived from Jewish traditions. In this introductory section, the author outlines the structure of the work and the importance of meticulously categorizing and studying the various festivals, laying the groundwork for a deeper exploration of themes that connect Christian worship practices with their historical and theological roots."