Click on the X10 Logo for a link to the owners manual with instructions for resetting time of day on the clock radio type controllers this manual is in pdf format.

  Vista analog timer module,you pull out the sliders to when you want the lights to come on say 5pm and pull them out all the way untill 5am if you want dusk till dawn lighting. The same if you just wish the lights on from 5pm untill midnight. Black arrow should be set to current time of day.