Time does not exist in the sense that our measure of time is compleatly arbitrary, but we as individual beings do notice that this moment is not the same as the moment before.

I have no problem with abstracting ideas as long as you can still return to the original premis and create new abstractions.

If the original premis is flawed somehow, THEN you can say time is an illusion.

do a google search for "metric time"

digression

actualy it just came to mind that in the 5th dimension, 3 dimensional time would be a single object. in other words our entire lives would be a single grain in the surface of a wooden table used by a 5D entity, and also how would they measure duration ???????

(n.b 5D = 3D + 1, because 4D = duration, and all dimension contain duration(thanks Einstein))