Understanding time is another one of those things that we think we know more then we actually do. This is totally forgivable because we’ve had to live with time for all of our lives. At some point our brains created an understanding of time that let us live comfortably beside it without being perplexed by what it really is.
Did your brain develop an understanding of time’s true nature, or was the understanding that there is no understanding it? Time’s a complicated thing to think about, but this little video does a reasonable job creating a simpler way to ease into it: