Assertion: leap year's month | /r/HasProperty | formed
Facets:
value: by dividing a year
type: OTHER
value: by adding ten days
type: MANNER
Source sentences:
text: This intercalary month was formed by inserting 22 or 23 days after the first 23 days of February; the last five days of February, which counted down toward the start of March, became the last five days of Intercalaris.
text: The Julian months were formed by adding ten days to a regular pre-Julian Roman year of 355 days, creating a regular Julian year of 365 days.
text: This is in contrast to the Gregorian calendar, in which the year is a solar year and the months are formed by dividing a year into twelve parts, and is also quite different from the pure lunar calendar observed by certain religions, in which each month is determined by the moon and a year is simply twelve lunar months strung together.