The term ‘Sidereal Time’ originates from the rotation of the earth on its axis. ‘Sidereal Time’ can be understood as the angle formed between the distance of a place from the Meridian Circle and the westward distance of

Sun is responsible for the occurrence of time, day, night and seasons. A Hindu day is considered from one sunrise to another sunrise. Sun when comes at the top of head, the time is known as local afternoon. Earth is not