Holi is festival of colors. It is also known as Basant-Utsav (Spring Festival).Holi is celebrated as one of harvest festivals as well as Spring festival. It is celebrated on the full moon day of Hindu month Phalgun. It usually comes in March/early April.
It is celebrated by doing bonfire and throwing colored powder or colored water at each other. In some parts of India, on Holi Purnima day, only bonfire is done & they play with colors on the 5th day called Rang-Panchami(Rang means colors and Panchmi is 5th day after full moon). It is one the most joyous and widely celebrated festival.