Islamic calendar (Hijri calendar)

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:event
gptkbp:alsoKnownAs	gptkb:Hijri_calendar
gptkbp:alternativeCalculation	gptkb:tabular_Islamic_calendar
gptkbp:basisFor	gptkb:event
gptkbp:calculationMethod	based on lunar observation
gptkbp:calendar	lunar
gptkbp:differenceFromGregorian	about 10-12 days shorter
gptkbp:epoch	gptkb:Hijra_(migration_of_Muhammad_from_Mecca_to_Medina)
gptkbp:ISO_3166-2_code	gptkb:AH_(Anno_Hegirae)
gptkbp:length	354 355
gptkbp:monthHeld	12
gptkbp:monthNames	gptkb:Ramadan gptkb:Dhu_al-Hijjah gptkb:Dhu_al-Qi'dah gptkb:Jumada_al-awwal gptkb:Jumada_al-thani gptkb:Muharram gptkb:Rabi'_al-awwal gptkb:Rabi'_al-thani gptkb:Rajab gptkb:Safar gptkb:Sha'ban gptkb:Shawwal
gptkbp:notableEvent	gptkb:festival gptkb:Ashura gptkb:Islamic_New_Year gptkb:Laylat_al-Qadr
gptkbp:numberOfDays	29 30
gptkbp:officialCalendarIn	gptkb:Afghanistan gptkb:Saudi_Arabia Iran (for religious purposes)
gptkbp:region	Islamic world
gptkbp:relatedTo	gptkb:Gregorian_calendar gptkb:Hebrew_calendar gptkb:Julian_calendar gptkb:Solar_Hijri_calendar
gptkbp:releaseDate	622 CE
gptkbp:usedBy	gptkb:Muslims
gptkbp:usedFor	Islamic religious observances determining Eid al-Adha determining Eid al-Fitr determining Hajj determining Ramadan
gptkbp:bfsParent	gptkb:Umar_ibn_al-Khattab
gptkbp:bfsLayer	6
https://www.w3.org/2000/01/rdf-schema#label	Islamic calendar (Hijri calendar)