Chapter I
What it celebrates
Many stories explain the night. In one, Shiva appeared as an endless pillar of fire to end a quarrel between Brahma and Vishnu. In another, it is the night of his marriage to the goddess Parvati. Some traditions say Shiva performs his cosmic dance of creation and destruction on this night.
Above all, it is a night to overcome darkness by turning the mind to Shiva.
Chapter II
How it is kept
Devotees fast during the day and go to temples where the linga is bathed with milk, water, yoghurt, honey and ghee, and offered leaves of the bilva tree. Through the night they chant Om Namah Shivaya, sing hymns and keep watch in four periods of worship.
Chapter III
Around the world
Pilgrims crowd the great Shiva temples of Varanasi, Ujjain and Somnath. At the Pashupatinath temple in Kathmandu, holy men gather from across South Asia. In Mauritius pilgrims walk to the sacred lake Ganga Talao.