.AT 17 moments and also 40 few seconds previous 8 at night, Greenwich Way Time, on July 20th it will definitely be exactly 55 years given that Neil Armstrong arrived on the Moon. Those 55 years add up to 20,089 days. Of those, 20,062 were 86,400 secs long and 27 one 2nd longer with the help of the enhancement of leap few seconds, a strategy begun in 1972. So those 55 years will add up to 1,735,689,627 seconds.