Assertion: leap day | /r/HasProperty | nearly every four years
Facets:
value: almost
type: DEGREE
Source sentences:
text: While our modern Gregorian calendar adds only one leap day on February 29 nearly every four years, the Chinese add a whole leap month approximately every three years.
text: [Leap Day] every four years,
text: Leap Day is every fours years....almost.
text: The Gregorian calendar, used by most western countries, adds one extra day, leap day on February 29, nearly every four years.