The irony is I don't even believe in time. Man invented time to give reality a point of reference. There is no yesterday and no tomorrow. There is just now. The only reason you have a clock is so you get to work on time.
Time is a commercial conspiracy enabling corporations to make money.
That is why they put clocks everywhere. They give sales for a limited time, so you will spend money on merchandise. They have happy hour drinks specials so you will spend money on drinks. They have television shows on at specific times so advertisers can push more products for you to buy. You don't need a clock to tell you when you are hungry or sleepy.