Mauni Amavasya, the word Mauni means silence, on this day any person remains silent all day and this is a kind of fast. Which is done on the day of Mauni Amavasya. Mauni Amavasya is considered the most important and auspicious day in the Hindu calendar. It is believed that on this day the water of the holy Ganges River turns into nectar and taking a bath in the Ganges on the day of Mauni Amavasya is considered holy.
According to Hindu religion, Mauni Amavasya falls in the middle of the month of Magha and is also called Maghi Amavasya. In Hinduism, the month of Magha is considered auspicious because Dwapara Yuga started on this day. By the way, bathing the Ganges in the whole months of Magha is considered auspicious, but bathing on the day of Mauni Amavasya is considered special and holy.
In the scriptures, the importance of doing charity on this day is said to be very fruitful. According to a belief, this day is also believed to be the birth of Manu Rishi, due to which this day is celebrated as Mauni Amavasya.
If the day of Mauni Amavasya falls during the biggest Kumbh Mela of Hinduism, then this day is called the most important bathing day, this day is also called the day of Amrit Yoga.