We do not need to know of Einstein or physics to understand the relativity of time. It may not be in the way scientists envision it, but we have experienced interminable minutes and hours that seem to end within moments.
I look back upon certain chapters of my past and wonder how I accomplished all I did in the waking part of twenty-four hours.Yet other times I need a week to accomplish a small portion of those same tasks.
Time is a strange entity. Despite the tools for precise measurement, its transmutability continues to amaze me.