The 21st century is the current century in the Anno Domini or Common Era, in accordance with the Gregorian calendar; It began on January, 1st 2001 and will end on December, 31st 2100. It is the first century of the 3rd millennium. THE NANO SECOND OF THE 21ST CENTURY The time period between 1987-2012 when our solar system began lining up with the Galactic Central Sun. This lineup is very rare and only happens once every approx 26,000 years (one cycle around the Zodiac). This