Menology

Noun

1. The study of months; the names and system of months within a given calendar.

   "The Romans themselves believed Romulus had given them a 10-month lunar calendar, but modern scholars consider the actual original state of Roman menology uncertain."

2. Synonym of menologium, a monthly record, particularly in Assyriology and certain Christian contexts.

   "The Menology of St Symeon mostly repeats earlier accounts but includes some small additions as well."

3. The content of a menologium, a liturgical calendar or hagiography.

   "The menologies of St Symeon mostly repeat earlier accounts but include some small additions as well."