Assertion: leap year | /r/Synonym | bissextile year
Facets:
value: at the time
type: TEMPORAL
Source sentences:
text: A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) added to keep the calendar year synchronized with the astronomical year or seasonal year.
text: Leap years are also known as intercalary or bissextile years.
text: It is the same calendar we use to this day, and it introduced a much more accurate method for dealing with leap years, although, at the time, leap years were referred to as bissextile years or intercalary years.
text: A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) added to keep the calendar year synchronized with the astronomical year or seasonal year.