February 2021 Amavasya Tharpanam Sankalpam Mantras are given here. In February 2021, Amavasya date is 11 February.
Amavasya of February 2021 is Amavasya of Poush Month, Magha Month, Masi Masam, Kumbha Masam in Amavasyant Chandramana Panchangams of South India (& Gujarat, Maharashtra), North Indian Hindi calendars, Tamil calendars and Malayalam calendars respectively.
11 February 2021 – Sarva Amavasya
Sarvari nama samvathsare ,Utharayane , hemantha rithou, makara mase, Krishna pakshe, adhya Amavasyam punya thidhou, guru vasara yukthayam, Sravana nakshatra yukthayam, shubhayoga, shubhaKarana evam guna viseshena, visishtayam asyam Amavasyam punya thidhou, amavasya punyakale, darsa sradham, thilatharpana roopena adhya karishye
(Amavasya up to 0.37 am next day (afterwards Prathama) and Sravana Nakshtra up to 2.06 pm that day and afterwards Sravishta Nakshatra