Does time exist?

The question if time exists is much deeper than our perceptions.

We must distinguish between time and registration of time. Everything what we see daily - calendars, watches, stop-watches, etc. are only instruments for measuring the time, and are not the time itself.

We also must know, that our bodies can't detect the changes of the time speed, because the rates at which it slows down or speeds up around us are extremely small - billionths of a second at the best. Our bodies simply don't have sensitive enough organs to detect the difference.

Experimental evidences and proves for the existence of time and its different speed are building up. The time dilation theory has been tested with two super accurate atomic clocks. One placed on an airplane, traveling with a high speed,and the other staying on the ground. The results has showed, that the clocks really differ, and they differ as much as the calculations. Later the experiment has been replicated from skeptics, with more accurate atomic clocks, and they actually proved it again. The satellites, that orbit the Earth exist in a different time, than the Earth, and this is a known fact. Actually, if this difference is not mathematically corrected by the aparats, the GPS system will not work properly. So, if the time ticks with a different speeds, then it really exists, and it is not invented by the man. The clocks are, but the time not.

 
I mainly see time as a unit of measurement created by man, but it must exist because things pass, things grow, things get old and deteriorate, living creatures are born and then die, memories get more and more distant and then fade. Time is the concept we use to measure all that occurs and the distance between every occurrence, so the phenomenon must exist.

I also compare time to a flowing river, moving all the time, what if we could speed up that flow or slow it down, or reverse the flow completely. If we could do that and apply it to time, what would we have - time travel.

 
I believe time exists. It is always pressing on me to get more done in the day before it runs out. I do not know about traveling back and forth in though. As much as I would want to go back and change some of my choices, I know my past choices have given me present day joys.
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I agree. One thing EVERYONE has in common is that bad things have happened to them. If we were to change any of that there is no way of predicting what we'll lose present day. The last thing in the world I would want is to change getting a dog bite and that leading to me not getting pregnant with one of my children.

 
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