The author conducts a sincere and fruitful effort to study the span of world compared with the lifetime of human beings ever lived since its creation. He submits his thesis giving resolutions to many mysteries through a very sophisticated and scientific approach acceptable to the whole world, irrespective of caste, religion, denomination, tradition, place or language. • How the span of world is related with human beings ever lived and why? • What is the significance of the lifetime of Jesus Christ, the world savior, and how it connects the period between His first arrival and the Second Arrival? • Why He to be honored as 'the Lord and the God' and could it be established beyond the traditional faith that He, the one alone, represents the whole mankind? • Could we arrive to an exact forecast of the world ending through a scientific way by keeping up its transparency rather than a mere prophecy and if so, when it would be? ......... and many more, interesting and informative.