It is celebrated as a festival in India, Nepal and Bhutan by Hindus, Jains and Buddhists. Guru Purnima (Poornima) is a tradition dedicated to all the spiritual and academic Gurus, who are evolved or enlightened humans, ready to share their wisdom, based on Karma Yoga. To express gratitude towards spiritual teachers Īshadha Purnima ( Shukla paksha, Bright lunar fortnight Full Moon) (June–July) Jain, Hindu devotees & Buddhist disciples in Bhutan, India and Nepal Guru Purnima (Guru Worship on a Summer Full Moon day)