The physical time is the most mysterious element in the Universe. We can feel it but cannot touch it. We are all the functions of it but not sure that the physical time is also a function of us or not. Many attempted for a good model of the physical time without much success. There are many theories of the physical time overtime. The most successful theory on the physical time is the Theory of general relativity which concluded that space – time is a curvature. In 1915, Albert Einstein postulated the theory of general relativity which is the updated and modified version of the theory of Special Relativity (postulated in 1905) to incorporate the gravity in it. Although the theory of general relativity is the leading theory in theoretical physics, unfortunately it can only describe macrocosm of the Universe without any proper link to the microcosm of the Universe with respect to the properties of the space-time. Although the theory can measure the macroscopic universe fairly accurately, but the “true / real nature” of the space – time is still remarkably vague till date. In this paper, I will show that past, present and future all have the same temporal properties. I will also show that how knowledge or information makes the difference among past, present and future.

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