Guru Poornima is the Hindu festival adopted from Jains. Guru Poornima is not a major festival but is is celebrated with at most faith and devotion at Shirdi. Poornima which mean a "full moon" day and guru "The master". It is the only festival Baba asked his devotees to celebrate. It falls on the full moon day of ashad month of hindu calendar.
It is the day, where devotees, followers, facilitate their respective gurus- the master and seek their special blessings. Guru poornima at shirdi was started In the year 1910 for the first time