Mine are all on timers I have 2 of them. The acentics come on @ about 3pm and the rest come on at 4. They stay on for 8 hours, till midnight, then the process is reversed simulating dusk. White PC's off @ midnight Actentics 1 hour later. Moonlight LED's are on all the time. I have them set so I can enjoy them when I get home from work till bed. On the weekends I turn them on by myself but always giving 8 to 10 hours of light only.