When was Lord Shiva born and what significance does his birth hold in Hindu mythology?

Lord Shiva, a major deity in Hinduism, is believed to have been born on the 14th day of the dark fortnight in the month of Phalguna. His birth is significant in Hindu mythology as it marks the beginning of his role as the destroyer of evil and the transformer of the universe. Shiva's birth symbolizes the cycle of creation, preservation, and destruction, and his presence is seen as essential for maintaining balance in the cosmos.