Which date Mahasivaratri in bengali calendar 1390?

Mahashivaratri in the Bengali calendar year 1390 corresponds to the date of Phalgun Krishna Chaturdashi, which falls on March 15, 1984 in the Gregorian calendar. This festival is dedicated to Lord Shiva and is celebrated with various rituals and prayers by devotees. In the Bengali calendar, it typically takes place in the month of Phalgun.