Shannavathi - 96 days when Shraddham or atleast Tharpana is to be performed.
The following are the 96 days:
1. Amavasya - 12
2. Masapirappu (Sankramanas) - 12
3. Pournami - 12
4. Kruthayugathi - 1
5. Threthayugathi - 1
6. Dwaparayugathi - 1
7. Kaliyugathi - 1
8. Vaithruthi Yogas - 14
9. Vyatheepatha Yoga -14
10. During Mahalayam Paksham 16 days - Pournami to Pradamai
11. Ashtaka. Ashtami of Margazhi , Thai , Masi , Panguni Month
12. Anvashtaka - Navami of Margazhi , Thai , Masi , Panguni Month
13. Thisroshtaka - Sapthami of Margazhi , Thai , Masi , Panguni Month
Apart from the listed days above, one has to perform the Tharppanam on the Eclipse days and also on the next day to Mathru/Pithru Srardha days.
🙏The last four meaning and their numbers are not clear can you say how the count came?
By Ravi Narayanan GS