a – H orus ▁of ▁the ▁Hor iz ons "). ▁ ▁The ▁solar ▁civil ▁calendar ▁borrow ed ▁the ▁festiv als ▁of ▁the ▁earlier ▁lun ar ▁calendar , ▁though ▁sometimes ▁under ▁other ▁names . ▁These ▁festival ▁names ▁are ▁increasing ly ▁att ested ▁after ▁ ▁Egypt ' s ▁Pers ian ▁occupation . ▁The ▁most ▁common ▁name ▁continued ▁to ▁be ▁the ▁" Open ing ▁of ▁the ▁Year ", ▁although ▁its ▁little - att ested ▁syn onym ▁" B irth ▁of ▁the ▁Sun " ▁ ▁( M sw t ▁R <0xEA> <0x9C> <0xA5> ) ▁or ▁ ▁became ▁the ▁names ake ▁of ▁the ▁P to le ma ic ▁Greek ▁and ▁Co ptic ▁month . ▁ ▁In ▁Egypt ian ▁Arab ic , ▁the ▁Co ptic ▁month ▁is ▁known ▁as ▁Mis ra ▁or ▁Mes ra ▁( , ▁). ▁ ▁The ▁Eth iop ian ▁month ▁is ▁sometimes ▁also ▁transl iter ated ▁Ne h ase , ▁Ne has a , ▁or ▁Ne has ie . ▁ ▁Egypt ian ▁cal end ars ▁ ▁An cient ▁ ▁Until ▁the ▁ ▁the ▁beginning ▁of ▁the ▁months ▁of ▁the ▁lun ar ▁calendar ▁were ▁based ▁on ▁observation , ▁beginning ▁at ▁dawn ▁on ▁the ▁morning ▁when ▁a ▁w an ing ▁cres cent ▁moon ▁could ▁no ▁longer ▁be ▁seen . ▁The ▁inter cal ary ▁month ▁was ▁added ▁every ▁few ▁years ▁as ▁needed ▁to ▁maintain ▁the ▁hel ia cal ▁rising ▁of ▁Si ri us ▁within ▁the ▁month . ▁According ▁to ▁the ▁civil ▁calendar , ▁the ▁month ▁fell ▁in ▁order ▁with ▁the ▁rest ▁regardless ▁of ▁the ▁state ▁of ▁the ▁moon .