This is easy Timer circuit. Control by relay. It use IC 555.
This the circuit sets the time to are simple one that interesting , because use IC 555 timer be 8 pin integrated circuits. But can set the time accurate can use by fine while VR1 , and use the the Secretariat of the Senate reset the system is new. When want to set the time new everytime for electric appliances supervision as a result can control with Relay Switch normal.