It is not considered bad to eat non-veg on any day according to Hindu religion. Hinduism as a religion has too many factions, beliefs, laws and practices that we cannot generalize them. Ever. Every one has their own reason for avoiding non-veg on a certain day of the week or a month. read more
Hindus do not eat non vegetarian food like chicken, meat or fish or any other Non Vegs on particular days, not limited but including: Mondays, Thursdays, and Saturdays of every week, many more auspicious days like Yekadashi, Sankranti, Dussera, Sankashti Chaturthi, Angarki Chaturthi, Ekadashi, Gudhipadwa, Akshaytrutiya, Diwali (all the days). read more
But not eating non-vegetarian food is not restricted for only Tuesdays. Thursdays and Saturdays are also considered holy days when people should avoid eating meat. Since centuries, these three days have become popular as holy days dedicated to different Gods. In reality, every day in Hindu religion is dedicated to a God. read more