Gorakhnath Jayanti is believed to be the day when Guru Gorakhnath, the most important Guru of the Nath Sampradaya appeared on earth. Gorakhnath Jayanti 2015 date is May 4. It is observed on the Purnima day in Vaishakh month as per traditional Hindu calendar followed in
Hindu God Shiva as Adinath is believed to have taught the secrets of the Supreme Truth to Matsyendranath and He taught it to Gorakshanath. Gorakshanath is the most important teacher of the Nath Sampradaya tradition and he is credited with many important books which are the basis of the tradition.
Note - Gorakhnath Jayanti is also observed on 13th day in Kartik Month and also on the 13th day of Magh month by some Hindu communities.