▁three ▁dec ades , ▁funds ▁and ▁workers ▁having ▁been ▁redirect ed ▁towards ▁the ▁Par then on . ▁The ▁western ▁fr ie ze ▁was ▁completed ▁between ▁ 4 4 5 – 4 4 0 ▁BC , ▁while ▁the ▁eastern ▁fr ie ze , ▁the ▁western ▁ped iment ▁and ▁several ▁changes ▁in ▁the ▁building ' s ▁interior ▁are ▁dated ▁by ▁these ▁sch ol ars ▁to ▁ 4 3 5 – 4 3 0 ▁BC , ▁largely ▁on ▁sty list ic ▁grounds . ▁It ▁was ▁only ▁during ▁the ▁Peace ▁of ▁N ici as ▁( 4 2 1 – 4 1 5 ▁BC ) ▁that ▁the ▁roof ▁was ▁completed ▁and ▁the ▁cult ▁images ▁were ▁installed . ▁The ▁temple ▁was ▁officially ▁inaugur ated ▁in ▁ 4 1 6 – 4 1 5 ▁BC . ▁ ▁Description ▁ ▁Many ▁architect s ▁have ▁been ▁suggested , ▁but ▁without ▁firm ▁evidence ▁one ▁refers ▁simply ▁to ▁The ▁He ph ais te ion ▁Master . ▁The ▁temple ▁is ▁built ▁of ▁mar ble ▁from ▁the ▁nearby ▁M t .   P ent eli , ▁except ing ▁the ▁bottom ▁step ▁of ▁the ▁ ▁kre pis ▁or ▁platform . ▁The ▁architect ural ▁sculpt ure ▁is ▁in ▁both ▁Pent el ic ▁and ▁Par ian ▁mar ble . ▁The ▁dimensions ▁of ▁the ▁temple ▁are ▁ 1 3 . 7 1   m ▁north ▁to ▁south ▁and ▁ 3 1 . 7 8   m ▁east ▁to ▁west , ▁with ▁six ▁columns ▁on ▁the ▁short ▁east ▁and ▁west ▁sides ▁and ▁th ir teen ▁columns ▁along ▁the ▁longer ▁north ▁and