I run my reef lights as follows: blues on at 9 am whites on at 10 am. Whites go off at 8pm and the blues then go off at 9pm.
I would start with maybe a 12/12 hour split and go up or down from there, that's what i did to get to where i am now.
125g Reef Yellow,Tomini & Blue Tangs,Watchman Goby, Squareback Anthias,
60g Rimless Reef- B&W clowns,citron goby, mandarin, scooter,Barnacle blenny,firefish
125g Malawi Cichlid
90GFOWLR Red & sixline wrasses,Flame Hawk,Squirrelfish,Engineer Goby,Coral Hogfish