The word, Maha Shivaratri, means 'Great night of Shiva'.
Shiva and Shakti are the two major forces in the Universe. Maha Shivaratri celebrates their union.
For unmarried women who seek a husband like Lord Shiva, it is a special night for he is the epitome of a devoted husband
The time when Lord Shiva manifested as the Lingam on earth is called Nishitha Kala. It's the most important time for performing Shiva pooja and it is at night.