hmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
I think you mean time is relative
Time is the measurement and clocks are the measurers, just as inches and centimeters are units of measurement, and rulers are the measurers. In order to gauge time, it must be measured, and clocks exist because of the need to measure time.