It is also observed broadly in the Indian subcontinent.
Holi is celebrated at the end of winter, on the last full moon day of the Hindu luni-solar calendar month marking the spring, making the date vary with the lunar cycle.
This upsets both Kama's wife Rati (Kamadevi) and his own wife Parvati.
Groups carry drums and other musical instruments, go from place to place, sing and dance.
People visit family, friends and foes to throw coloured powders on each other, laugh and gossip, then share Holi delicacies, food and drinks.
Holi also marks the start of spring, for many the start of the new year, an occasion for people to enjoy the changing seasons and make new friends.
Guru Gobind Singh – the last human guru of the Sikhs – modified Holi with a three-day Hola Mohalla extension festival of martial arts.
After the death of Ranjit Singh, his Sikh sons and others continued to play Holi every year with colours and lavish festivities.