Assertion: calendar's year | /r/HasProperty | 360 days
Facets:
value: in length
type: OTHER
Source sentences:
text: 10 Usually at a date later than the mid-eighth century B.C.E., many other peoples who had previously considered the year to be 360 days in length reluctantly returned to a calendar of twelve 30-day months, but added five days to the end of their year.