Assertion: calendar's year | /r/HasProperty | bound to solar year of 365 days
Facets:
value: by intercalating
type: MANNER
Source sentences:
text: The Babylonian years were soli-lunar; that is to say, the year of 12 months containing 354 days was bound to the solar year of 365 days by intercalating, as occasion required, a thirteenth month.