Riddle

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

Choose an answer

A.Clock
B.Watch
C.Planner
D.Calendar
Hint: It's a word with 8 letters, starting with "C".

Answer

Calendar

Why this is the answer

Every month you flip or replace the page of a calendar regardless of how much you referred to the old one.

This riddle is filed under "What Am I?" Riddles and rated Easy.