So this is all pretty obvious once you look into the history of "time" as we measure and record it. Two of the best resources on this topic that I've come acro

So this is all pretty obvious once you look into the history of "time" as we measure and record it. Two of the best resources on this topic that I've come across are: A PyCon presentation - "Blame It On Ceasar" https://www.youtube.com/watch?v=GBKqRhn0ekM https://www.youtube.com/watch?v=GBKqRhn0ekM A Book - "TIME – From Earth Rotation to Atomic Physics", by Dennis D. McCarthy and P. Kenneth Seidelmann, (Not a cheap book most places you can find it but it is worth it.) The book left a permanent impression on me with respect to fundamentally understanding the physicality of time as an aspect of the universe we exist and are attempting to measure every time we record the time something takes to happen.