Ashadha Purnima, also known as Guru Purnima, is a significant spiritual day observed by Hindus, Buddhists, and Jains. It falls on the full moon day in the month of Ashadha (June-July) according to the Hindu calendar. This day is dedicated to expressing gratitude and reverence towards teachers and spiritual gurus.

On Ashadha Purnima, devotees take part in various religious activities such as offering prayers, performing rituals, and seeking blessings from their mentors. It is believed that observing this day with devotion and sincerity brings spiritual growth and enlightenment. Many people also fast on this day as a way to purify their body and mind, and seek blessings for their spiritual journey.

The significance of Ashadha Purnima lies in acknowledging the importance of guidance and wisdom imparted by teachers and gurus in one's life. The day serves as a reminder to express gratitude towards those who have played a vital role in shaping one's spiritual journey. The celebrations often include gatherings, discourses, and sharing of knowledge to honor the valuable teachings of mentors.