▁Pers ian . ▁As ▁a ▁de pository ▁library , ▁it ▁depos its ▁all ▁Bang l ades hi ▁publications ▁under ▁the ▁Copy right . ▁The ▁Library ▁receives ▁most ▁of ▁the ▁Bang l ades hi ▁daily ▁newsp apers ▁and ▁period ical s . ▁It ▁also ▁has ▁a ▁special ▁collection ▁of ▁ju ven ile ▁material ▁and ▁is ▁providing ▁separate ▁reading ▁facilities ▁for ▁children . ▁The ▁De we y ▁Dec imal ▁Classification ▁( DD C ) ▁system ▁with ▁minor ▁modifications ▁is ▁used ▁to ▁organ ise ▁library ▁materials . ▁ ▁Library ▁hours ▁The ▁library ▁remains ▁open ▁from ▁ 8 : 0 0   a . m . ▁to ▁ 8 : 0 0   p . m . ▁on ▁all ▁days ▁except ▁Frid ays ▁and ▁national ▁hol id ays . ▁On ▁ 2 6 ▁July ▁ 2 0 0 3 ▁started ▁ 2 4 ▁hours ▁reader ▁service , ▁which ▁ceased ▁on ▁ 1 ▁March ▁ 2 0 0 4 ▁since ▁drug ▁ab users ▁were ▁taking ▁opportunity ▁of ▁those ▁hours . ▁The ▁district ▁and ▁branch ▁libraries ▁managed ▁by ▁the ▁Department ▁of ▁Public ▁L ibr aries ▁remain ▁open ▁from ▁ 1 1 : 0 0   a . m . ▁to ▁ 6 : 0 0   p . m . ▁on ▁all ▁days ▁except ▁Frid ays ▁and ▁government ▁hol id ays . ▁L ending ▁facilities ▁were ▁introduced ▁in ▁ 1 9 9 4 . ▁As ▁of ▁ 2 0 0 4 , ▁the ▁average ▁number ▁of ▁readers ▁was ▁about ▁ 2 , 5 0 0 ▁a ▁day . ▁