Pitru dosha nivaranas done here
Posts
Why to do sraddam and tarpanam on tidi day when aprahana time is more - sunrise is not discussed
https://www.mahastro.com/how-to-read-tamil-vakya-panchangam-part-2/
Enlish translations of HIndhu vedas and puranas - all these are in public domain and available in internet
https://en.wikipedia.org/wiki/Sacred_Books_of_the_East https://rarebooksocietyofindia.org/book_archive/196174216674_10152996551871675.pdf