The main aim of the Day and Night Indicator project is to help us to turn on the lights as the night falls automatically and as the dawn sets in the Day and Night Indicator automatically gets switches off the light and plays a musical morning wake up alarm. Another feature of the project is that at the time of no light in the room during night the night lamp gets turned on automatically. With the help of this circuit you are not required to switch on or off the lights in nights or in the morning.