What is always coming but never arrives?

Answer

Tomorrow.

Explanation

Tomorrow is simply the next day that has not come yet. When the next day finally arrives, we stop calling it “tomorrow” and start calling it “today.” For example, if you say “I will start tomorrow,” when the day arrives you no longer call it tomorrow. This is why tomorrow never truly comes by its name and always stays one step ahead.

More Riddles

I have a neck but no head, two arms but no hands — what am I? Poor people have it, rich people need it, and if you eat it you will die — what is it? When does Christmas come before Thanksgiving? Why is 6 afraid of 7? What gets wetter the more it dries? What has one eye but can’t see?