.AT 17 moments and also 40 secs previous 8 at night, Greenwich Mean Time, on July 20th it will definitely be actually precisely 55 years considering that Neil Armstrong came down on the Moon. Those 55 years add up to 20,089 days. Of those, 20,062 were actually 86,400 secs long and also 27 one 2nd longer thanks to the enhancement of jump secs, a technique begun in 1972. So those 55 years will add up to 1,735,689,627 few seconds.