When January 1, 0001?

The calendar is a system of group units from time consist of days, months, and years. Some calendars created from astronomical observations. For example, the day based on the rotation of the Earth on its axis, the year based on the revolutation of the Earth around the Sun, and the month based on the revolution of the Moon around the Earth. However, the people have many perceptions about when the January 1, 0001 had begun. They inferred that any three speculations about this such as the first time January 1 when 45 BC in Julius Caesar era, the birth of Christ, and the 1582 AD in Gregorian calendar.

Zero and One

    We all know in Mathematics is many numbers. There are many operations between numbers and the others. Two numbers are special in Mathematics. The first is Zero (0) and the second is One (1). Zero and One are unique numbers in operation plus and cross. This numbers developed to make some digital electrics. Zero and One always called biner numbers. We can get to know existence of God.