Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:event
|
| gptkbp:alsoKnownAs |
gptkb:Gregorian_calendar
|
| gptkbp:firstDayOfYear |
January 1
|
| https://www.w3.org/2000/01/rdf-schema#label |
modern Gregorian calendar
|
| gptkbp:introduced |
gptkb:Pope_Gregory_XIII
|
| gptkbp:introducedIn |
1582
|
| gptkbp:length |
adds a day to February every 4 years, except years divisible by 100 unless also divisible by 400
|
| gptkbp:monthHeld |
12
|
| gptkbp:predecessor |
gptkb:Julian_calendar
|
| gptkbp:purpose |
align calendar year with solar year
|
| gptkbp:usedIn |
most of the world
|
| gptkbp:bfsParent |
gptkb:Athenian_calendar
|
| gptkbp:bfsLayer |
7
|