Time

Time is fundamental element of the universe. We slice time into thin equal strips called seconds. Consecutive seconds in juxtaposition are called moments. We had these notions because time is real. Time is no illusion. We measure our individual ages in years. We measure speed by the amount of space covered by an object in a specific amount of time. In music, we have this so-called time signatures. Human intelligence did not invent time. Time is there since the beginning of the universe.

But when did time exist? Was there no time when the universe wasn't existing yet? Or has the universe really come from nothing to this huge mass of matter and antimatter? Why is there a necessity for time? Was time created with space?