According to both Hindu and Buddhist traditions, Guru Puja or Guru Purnima is celebrated on the full moon day of the lunar month of Ashadha, which corresponds to June-July of the Roman calendar.
Vyas Purnima is celebrated in worshipping Guru Ved Vyas. His parents were Parashar Rishi and Matsyagandha.Since he provided the world with such great knowledge, he is known as the original Guru of Hindu Dharma.
Vyas Purnima, which is now more commonly known as Guru Purnima .The day is celebrated in remembrance and veneration to sage Ved Vyas. He is the Adi (original) Guru of the Hindu Dharma, who classified the Vedas, wrote the eighteen Puranas and the Mahabharat. On Vyas Purnima, the shishya (student or devotee) offers pujan to the Guru. In Sanskrit, ‘Gu’ means darkness and ‘Ru’ is to remove the darkness.
A Guru is one who removes the darkness from our life and gives us knowledge. A Guru teaches us the right path to reach God.
Guru Brahma Guru Vishnu Gururdevo Maheshwaraha
Guruhu sakshat Parambrahma tasmai Shri gurave namaha.
Moreover, this day is of great importance to the farmers, for it heralds the setting in of the much-needed monsoon rains, as the drenching of the cool rain on the earth after the hot summer makes everything grow and become green and lush again. It is also considered as a very beneficial time for all spiritual practices. Traditionally, spiritual seekers are taught to intensify and take seriously their spiritual ’sadhana’ from this day.