Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
calendar day
|
| gptkbp:alternativeName |
intercalary day
|
| gptkbp:celebratedIn |
leaplings (people born on February 29)
|
| gptkbp:date |
February 29
|
| gptkbp:hasNo |
common year
|
| https://www.w3.org/2000/01/rdf-schema#label |
leap day
|
| gptkbp:introduced |
Julian calendar reform (45 BC)
|
| gptkbp:occurs_every |
4 years
|
| gptkbp:part_of |
gptkb:Gregorian_calendar
gptkb:Julian_calendar |
| gptkbp:purpose |
to keep calendar year synchronized with astronomical year
|
| gptkbp:retained_in |
Gregorian calendar reform (1582)
|
| gptkbp:skipped_in_years |
years divisible by 100 but not by 400
|
| gptkbp:bfsParent |
gptkb:Intercalary_year
|
| gptkbp:bfsLayer |
7
|