i have this formula currently which works but not if I want it for every day - any ideas ??
(NETWORKDAYS.INTL(L1362,M1362,11,BH!A:A)-1)*("17:30"-"8:30")+IF(NETWORKDAYS.INTL(M1362,M1362,11,BH!A:A),MEDIAN(MOD(M1362,1),"8:30","17:30"),"17:30")-MEDIAN(NETWORKDAYS.INTL(L1362,L1362,11,BH!A:A)*MOD(L1362,1),"8:30","17:30")
Solved by A. D. in 14 mins