Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:time_zone
|
| gptkbp:alsoKnownAs |
February 29
|
| gptkbp:compatibleWith |
Common year
|
| gptkbp:date |
February 29
|
| gptkbp:frequencyException |
Years divisible by 100 but not by 400 are not leap years in Gregorian calendar
|
| https://www.w3.org/2000/01/rdf-schema#label |
Leap Day
|
| gptkbp:introducedIn |
gptkb:Julius_Caesar
45 BC |
| gptkbp:occursEvery |
4 years
|
| gptkbp:partOf |
gptkb:Leap_Year
|
| gptkbp:purpose |
Align calendar year with astronomical year
|
| gptkbp:usedIn |
gptkb:Gregorian_calendar
gptkb:Julian_calendar |
| gptkbp:bfsParent |
gptkb:Nitrome
gptkb:30_Rock_universe |
| gptkbp:bfsLayer |
7
|