How long between waterings

[DR. Greenthumb]

I have bought a timer with 14 on\off settings per day. how do i divide time for 11 plant system. More per day and 3 or 4 at night?? Also do the plants need as many cycles per night as day with 12\12.How long between waterings with 24\0 with 14 setting timer. I am new to hydro but have much exp. in dirt (not that it takes much skill Your forum is great and 11 plant system is easy and cheap. I built it in about 1:30. thanks for the help. DR. Greenthumb