How Is This Possible????

Riddle: A man went to the woods to camp for 3 days if he gets there on Monday and stays 3 days and leaves on Friday how is that possible?

Answer: His horse was named Friday!!

Source: https://www.riddles.com/index.php/5737

A man went to the woods to camp for 3 days if he gets there on Monday and stays 3 days and leaves on Friday how is that possible? — How is this possible???? by Ashjordan48bircher v1.

Riddle: A man went to the woods to camp for 3 days if he gets there on Monday and stays 3 days and leaves on Friday how is that possible? Answer: His horse was named Friday!! — by Ashjordan48bircher v2.