.AT 17 mins and 40 seconds previous eight at night, Greenwich Method Time, on July 20th it will certainly be precisely 55 years considering that Neil Armstrong came down on the Moon. Those 55 years amount to 20,089 days. Of those, 20,062 were actually 86,400 seconds long and also 27 one second longer thanks to the enhancement of leap secs, a strategy begun in 1972. So those 55 years are going to add up to 1,735,689,627 secs.