In Hinduism
Twilight is sacred in Hinduism. It is called गोधूळिवेळ in Marathi or गोधूलिवेला godhūlivelā in Hindi—literally "cow dust time". Many rituals including Sandhyavandanam and Puja are performed at twilight. Hindus believe that this time is ideal for study and education.
Read more about this topic: Twilight