Answer:
A hole in a pole. Though I fill a hole in white I'm used more by the day and less by the night
My rings are not worth much, but they do tell my age. What am I?
My first is in riddle but not in little. My second is in think but not in brink. My third is in thyme but not in time. My fourth is in mother but not in brother. My last is in time but no t in climb.
I increase head turning rate tremendously for girls at the beach
my rings are not worth much but they do tell my age.
No matter how little or how much you use me, you change me every month.