Asa Di Vaar is a significant Sikh hymn composed by Guru Nanak and Guru Angad, included in the Guru Granth Sahib. It is traditionally sung in the early morning hours and consists of 24 pauris (stanzas) interspersed with shlokas (couplets). The hymn addresses various themes such as the nature of God, the importance of truthful living, and the rejection of hypocrisy and false rituals. It emphasizes the need for humility, selfless service, and the guidance of the Guru to attain spiritual enlightenment. Asa Di Vaar encourages Sikhs to lead a life of righteousness, integrity, and devotion to God.