Guru Nanak Jayanti 2025: A sacred celebration of light and wisdom Guru Nanak Jayanti, also known as Gurpurab, marks the birth anniversary of Guru Nanak Dev Ji, the first Guru of Sikhism and the founder of the spiritual teachings that emphasize equality, service, and compassion. In 2025, Gurpurab is observed with devotion, sweet kirtan, langar,…