Answer:
What is it that was given to you, belongs only to you. And yet your friends use it more than you do?
who do you think you know but sometimes you don't
My first keeps time, my second spends time, my whole tells time.
A harvest sown and reaped on the same day in an unplowed field. Which increases without growing, remains whole though it is eaten within and without. Is useless and yet the staple of nations.
A building where people and stories are on stage
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?