Back to school with you, twart.
"Time is a concept that we know relates to this universe at the atomic level. It may relate to other universes"
Do you even know what the definition of the word universe is?
Definition of UNIVERSE:
All matter, Space, And Energy.
UNI - One
Not one of many. LOL
Try the words Multi verse next time junior.
"Time is a concept". Really a concept? LOL.
Time is a dimension and nothing can exist with out it in THE one and only Universe.