Today is the new moon day of the month of Margsheersh. Marshish Amavasya is celebrated on the new moon day of Krishna Paksha of Marshish month. It is also called Aghan Amavasya. On this day there is a tradition of offering tarpan and pindadan for the peace of the souls of the ancestors. It is said that negative forces like ghosts, ancestors, vampires, and nocturnal spirits remain very active on the night of Amavasya. That's why on Amavasya one should not commit any mistakes even by mistake.
One should not pass through the crematorium or near it even by mistake on the night of Amavasya. One should also avoid going on deserted roads on the night of Amavasya. It is said that on Amavasya people with a weak heart easily come under the influence of negative forces, so such people should be cautious.
One should avoid sleeping till late on Amavasya day. By doing this one cannot get the blessings of the ancestors. Wake up with sunrise on this day and offer water to the Sun God.
Fighting and quarreling at home should be avoided on the day of Amavasya. It is said that in the house where fights and quarrels take place on Amavasya, the blessings of ancestors never remain there. That's why try to maintain an atmosphere of peace in the house on this day. Do not get angry on Amavasya and do not abuse anyone.
Garlic and onion should not be used in food on this day. One should stay away from meat, fish and alcohol on this day.
On the day of Amavasya, husband and wife should also refrain from making physical relations. It is said that Chaudas, Amavasya and Pratipada are three such dates when we should remain completely pure from both body and mind.