Are We Living in a Timeless Universe?

Are we living in a timeless universe?
(Source: own creation)

We are inescapably confronted with time on a daily basis. It assists us in organizing our lives, for the better or worse, and we have also grown comfortable with dividing our sense of time in three main blocks: a past, a present moment, and a future. Time is so intrinsically entangled with our everyday experiences that we take it for most of the time entirely for granted. But how sure should we be of its existence?