Persian calendar

GPTKB entity

Statements (48)
Predicate Object
gptkbp:instanceOf gptkb:event
gptkbp:accuracy more accurate than Gregorian calendar
gptkbp:adoptedBy 1079 CE
gptkbp:alsoKnownAs gptkb:Solar_Hijri_calendar
gptkbp:basisFor solar year
gptkbp:calendar gptkb:Afghanistan
gptkb:Iran
solar
gptkbp:calendarFamily gptkb:Iranian_calendars
gptkbp:epoch gptkb:Hijra_(622_CE)
https://www.w3.org/2000/01/rdf-schema#label Persian calendar
gptkbp:ISO_3166-2_code fa-IR
fa-AF
gptkbp:languageOfMonthNames gptkb:Persian
gptkbp:length leap year every 4 or 5 years
gptkbp:monthHeld gptkb:Esfand
gptkb:Farvardin
12
gptkbp:monthNames first 6 months: 31 days
last month: 29 or 30 days
next 5 months: 30 days
gptkbp:notableFeature begins at vernal equinox
months aligned with zodiac signs
months do not shift with respect to seasons
no week-based leap year system
used for Nowruz celebrations
used in Afghan government
used in Persian literature
used in Zoroastrian rituals
gptkbp:reformed gptkb:Omar_Khayyam
gptkbp:regulates gptkb:Institute_of_Geophysics,_University_of_Tehran
gptkbp:relatedTo gptkb:Jalali_calendar
gptkb:Gregorian_calendar
gptkb:Islamic_calendar
gptkbp:startYear gptkb:Nowruz
March 20 or 21
gptkbp:usedBy gptkb:Afghans
gptkb:Iranians
gptkb:Zoroastrians
gptkbp:usedFor official documents
holidays
civil purposes
gptkbp:usedIn gptkb:Afghanistan
gptkb:Iran
gptkb:Tajikistan
gptkb:Kurdistan
gptkbp:bfsParent gptkb:event
gptkbp:bfsLayer 4