.AT 17 moments and 40 few seconds previous eight at night, Greenwich Method Time, on July 20th it will certainly be precisely 55 years considering that Neil Armstrong arrived at the Moon. Those 55 years amount to 20,089 times. Of those, 20,062 were actually 86,400 seconds long and 27 one second longer due to the add-on of leap secs, a technique begun in 1972. So those 55 years will add up to 1,735,689,627 seconds.