Menologium
（重定向自Menology）
![Dimitry of Rostov's Great Menaion Reader, printed in Kiev, 1714. The book is open to December 25, the Nativity of the Lord.](/Images/godic/202501/26/ЧетьїМінеї1145.jpg")
![Page from a calendar of saints' days in a 14th century Greek menologium held by the Bodleian Library](/Images/godic/202501/26/Bodleian_Library_MS._Gr._th._f._1_36r1145.jpg")
![Page from the Menologion of Basil II, depicting Saints Cosmas and Damian (11th century, Vatican Library).](/Images/godic/202501/26/Menologion_of_Basil_0011146.jpg")
Menologium (from the Greek μηνολόγιον menológion, from μήν mén "a month"; Latin menologium), also written menology, and menologe, is a service-book used in the Eastern Orthodox Church and those Eastern Catholic Churches which follow the Rite of Constantinople.