Radhastami is celebrated on the eighth day of the bright fortnight (shukla paksha ashtami) in the month of Bhadra (August – September). The divine appearance day of Srimati Radharani is the eternal consort of Krishna, the Supreme Personality of Godhead. Radharani is the mother of the entire universe.
Radhastami is a very special day for all the Gaudiya Vaishnavas, as by obtaining the mercy of Srimati Radharani one can easily achieve Krishna-prema.
Among all of Krishna’s consorts in Sri Vrindavana, Srimati Radharani is the greatest. In fact, She is the queen of Vrndavana.