It's important to think of 'time' in two separate ways, what it does physically - it passes steadily; and the numbers attached to 'this instant' in time. 'This

It's important to think of 'time' in two separate ways, what it does physically - it passes steadily; and the numbers attached to 'this instant' in time. 'This instant' has a physical reality, but what we call it is an entirely arbitrary man-made construct. That man-made construct is normally a count of some arbitrary period of time since some arbitrary starting point in the past. A good example of this is simply the number of the current year: it's 2022 in one system, 1443 in another system, 5782 in a third, and who knows what number in at least a dozen others, past and current, that I can think of off the top of my head. "Time is Nature's way of preventing everything happening at once." - unnamed comedian.