Whoever put Alexander Friedman's picture on the left made a great decision. If one begins to ponder the implications of special relativity, not only does it show that time is relative depending on the reference point of the observer, but it leads to some people to use their imagination to explore the infinite and the eternal( which is too counterintuitive to even try and comprehend, but nevertheless, we attempt to imagine it anyway). The nature of Timeand what time really is if it even exists, is such a mystery. I think that time is a human concept that we have evolutionary developed in order to be able to do everyday tasks and to "coincide" with our homo sapien intuitive perspective. As we have learned thanks to the advancements of science, our intuition is very feeble and it fails to explain the "real" reality( if there's even such a thing as a True reality). one example is the extremely small part of the electromagnetic radiation spectrum that our eyes can see. We can only see visible light and our eyes are oblivious to x-ray, microwave, radio, ultraviolet, gamma, infrared radiation( i didn't put them in order). If that spectrum represented a 2,000 mile measuring tape, our visible light spectrum would only be about 2 inches long. Going back to the concept of time, imagine if the observable universe would somehow be seen on the outside of the universe by an observer, how would our universe look to the observer making the observation. Would the universe look eternal in the same way that we perceive it? I'm not expecting answers, i'm just asking questions that i know can't be proved by empirical evidence. Maybe the observer outside the universe would see our universe as a small fluctuation coming in and out of existence in less than a second but the observers inside the universe would see and perceive the universe as eternal. Who is right? They both are right because it all depends on the reference point to the observer. if somebody is a physics grad student or a physics professor that knows much more about special relativity, please reply to this post. This was just a small part of the idea, and there's much more that i haven't said, but the complete story will make sense. I hope someone that is good at mathematics can work together with me and we will get 50 50 credit for the theory with mathematics and hopefully publish it. Im not that good at mathematics, but im working on it. Hope to hear from physicists or mathematicians.

See iam not a mathematician or physicist. iam just normal person who searching for physical laws that how would are universe time work. your discussion is really a pheomenol concept. when you said that time is being caused in are everyday life. you know if anyone wanted to throw away the cncepts of space time than also he or she cannot do. what main thing about space-time is that the observations made by human for the light is done but if we look through eyes of light than what observations made light for ourselves should also be calculated.( what i wanted to show with this example that we should calculate both observations for light also and for human also than also we can make are physical laws and on the basis of that we can go through) now back to your question what biggest about your quetsion is that we should always make observation on bot parts whether the person is in the universe or outside.....but what i think is that if we know that universe is begin by big bang than for the person who is outside the universe cannot predict that how the universe begin.... what physical laws is made inside the universe than for the person who is outside the univese cannot make those physical laws which were made inside. (han at that point two things will happen whether person outside the universe is worng for what he made his observation or some can be right but he couldn't be able to get the main theory which defines the working of the universe....