fifth day of Paryushan
All You Need to Know About Paryushan - The Holy Festival of Jains
It is said that in the 16th century, Emperor Akbar being influenced by Jain Acharya Hirvijay Suri had issued an Amari Ghosna, a farmaan (order) to ban the slaughter of animals for a month during the Paryushan Parva & Mahavir Jayanti.