The Man And The Potion

Riddle: There was a man who made potions. One was green and one was red. The green one took 1h 20 min and the red one took 80 min. So how long is it from the green one to the red one?

Answer: Not even a second because 1h 20min is the same as 80min. Source: https://riddles.com/6443

There was a man who made potions. One was green and one was red. The green one took 1h 20 min and the red one took 80 min. So how long is it from the green one to the red one? — The man and the potion by Josemartin Riddle