Traditional Roman Calendar

URI: https://gptkb.org/entity/Traditional_Roman_Calendar
GPTKB entity
Statements (48)
Predicate Object
gptkbp:instanceOf gptkb:event
gptkbp:addedMonths gptkb:Februarius
gptkb:Ianuarius
gptkbp:alsoKnownAs gptkb:Roman_calendar
gptkbp:basisFor gptkb:Gregorian_calendar
gptkb:Julian_calendar
gptkbp:calendar lunar
solar
lunisolar
https://www.w3.org/2000/01/rdf-schema#label Traditional Roman Calendar
gptkbp:influenced gptkb:Julian_calendar
Western calendar systems
gptkbp:influencedBy gptkb:Etruscan_calendar
gptkb:Greek_calendar
gptkbp:intercalaryMonth gptkb:Mercedonius
gptkbp:introduced circa 8th century BCE
gptkbp:lackedLeapYear true
gptkbp:length 304
355
approximately 365
gptkbp:monthHeld gptkb:Martius
10
12
December
gptkbp:monthNames gptkb:Martius
gptkb:Aprilis
gptkb:Iunius
gptkb:Maius
gptkb:Quintilis
gptkb:Sextilis
December
November
October
September
gptkbp:notableFeature Kalends, Nones, Ides
intercalation to align with seasons
variable month lengths
gptkbp:predecessor gptkb:Julian_calendar
gptkbp:reformed gptkb:Numa_Pompilius
gptkb:Julius_Caesar
gptkbp:replacedBy gptkb:Julian_calendar
gptkbp:usedBy gptkb:Ancient_Rome
gptkbp:usedFor religious festivals
civic administration
agricultural planning
gptkbp:usedUntil 45 BCE
gptkbp:bfsParent gptkb:Tridentine_Calendar
gptkbp:bfsLayer 7