Time?

Time is what, is it an illusion of your mind? or as in Wikipedia defined: as  a dimension  in which events can be ordered from the past throughout the present into the future , or the measure of duration and the intervals between?. Define time , how can you define something which can be proven only through theories , so it is impossible to prove it's existence. Matter, object or simply space, everything or every aspect of life is based on time, if there was no "time" your existence is to be questioned , so in fact time is real? or  is one individuals pure imagination on what goes on behind closed eyelids. There can be a philosophical or scientifically meaning,  but time is a mere creation of humans where to make our lives easier we divide our moments, events and "life" to live in an accordingly manner.Time does not exist but is a overall aspect of life which is created by humans, but it effects all of the universe.