No matter how little or how much you use me, you change me every month. What am I?

Answer: A Calendar.

More Good Riddles with answers

More Good Riddles

There are two bodies on the floor. They are surrounded by water and broken glass. How did they die?
There is a common English word that is nine letters long. Each time you remove a letter from it, it still remains an English word - from nine letters right down to a single letter. What is the original word, and what are the words that it becomes after removing one letter at a time?
There is an ancient invention, still used in some parts of the world today, that allows people to see through walls. What is it?
Two girls have the same parents and were born at the same hour of the same day of the same month, but they are not twins. How can this be possible?
What asks no questions but requires many answers?
What did one math book say to the other math book?
What did the bee say to the flower?
What did the tree wear to the pool?
What do elves learn in school?
What do you call cheese that belongs to someone else?
What food lives at the beach?
What goes in hard, comes out soft, and you blow continuously?