ination ▁of ▁the ▁orth odox ▁and ▁ Ṣ ū f ī ▁religious ▁establish ments , ▁along ▁with ▁traditional ▁religious ▁education , ▁and ▁their ▁replacement ▁with ▁a ▁system ▁in ▁which ▁the ▁original ▁sources ▁were ▁available ▁to ▁all ▁in ▁the ▁vern ac ular ▁language , ▁would ▁p ave ▁the ▁way ▁for ▁a ▁new ▁vision ▁of ▁Islam ▁open ▁to ▁progress ▁and ▁modern ity ▁and ▁us her ▁in ▁a ▁society ▁gu ided ▁by ▁modern ity . ▁ ▁Following ▁the ▁multi - party ▁period ▁in ▁ 1 9 5 0 ▁the ▁religious ▁establish ments ▁( I sl am ist ▁movements ) ▁returned . ▁The ▁Gü len ▁movement ▁is ▁a ▁trans n ational ▁religious ▁and ▁social ▁movement ▁led ▁by ▁Turkish ▁Islam ic ▁scholar ▁F eth ul lah ▁Gü len , ▁which ▁his ▁movement ▁is ▁mainly ▁active ▁in ▁education ▁and ▁inter fa ith ▁dialog ue ▁however ▁there ▁are ▁also ▁substantial ▁invest ments ▁in ▁media , ▁fin ance , ▁and ▁for ▁profit ▁health ▁clin ics . ▁ ▁Relig ious ▁hol iday ▁( Work ▁week ) ▁ ▁Turkey ▁adapted ▁the ▁work week ▁and ▁week end ▁as ▁the ▁complement ary ▁parts ▁of ▁the ▁week ▁devoted ▁to ▁labor ▁and ▁rest , ▁respectively . ▁In ▁the ▁Ott oman ▁Empire , ▁the ▁work week ▁was ▁from ▁Sunday ▁to ▁Th urs day ▁and ▁the ▁week end ▁was ▁Friday ▁and ▁Saturday . ▁ ▁A ▁law ▁en act ed ▁in ▁ 1 9 3 5 ▁changed ▁the ▁week end ▁began ▁from ▁Friday ▁afternoon ▁( not ▁Th urs day ▁afternoon ) ▁and ▁a ▁week end ▁ended ▁on ▁Sunday . ▁