

Shiva-ratri occurs every lunar month on the 13th or 14th day of the dark half of the moon phase. Once every year during the month of Phalgun, a Maha Shiva-ratri occurs. This Maha Shiva-ratri day is considered to be the day when Lord Shiva married Parvati and it is celebrated elaborately by devotees of Lord Shiva.
Vaishnavas do not generally take part in the worship of demigods except to honor them as great devotees of the Lord. Lord Shiva is worshipped by Vaishnavas because he is the greatest
