bissextile year 15 Associations

leap year intercalary year 366 days year (generic term) twelvemonth (generic term) yr (generic term)

intercalary year 16 Associations

leap year 366 days bissextile year year (generic term) twelvemonth (generic term) yr (generic term)

leap year 9 Associations

intercalary year 366 days bissextile year year (generic term) twelvemonth (generic term) yr (generic term)