Guru Nanak Dev, the founder of Sikhism, was the first Sikh guru , a spiritual leader, philosopher, and social reformer. Check out more about Guru Nanak . Guru Nanak Jayanti, also called Gurpurab or Prakash Parv, is a significant occasion for the Sikh community all over the world. The day commemorates the birth anniversary of Guru Nanak Dev Ji, the founder of Sikhism. According to the Nanakshahi calendar, the esteemed Sikh guru was born on the full ... Learn about the life, teachings and legacy of Guru Nanak Dev Ji, the founder and first Guru of Sikhism. Explore his birth, marriage, spiritual journeys, hymns, and installation of Guru Angad Dev Ji. Guru Nanak Jayanti 2025 Date, Time and History: Every year, the birth anniversary of the founder of Sikhism and the first of the nine Sikh gurus, Guru Nanak Dev Ji, is celebrated as Guru Nanak Jayanti. Also known as Gurpurab or Guru Nanak Prakash Utsav, Guru Nanak Jayanti is a highly revered and sacred festival for the Sikh community.