.AT 17 moments and also 40 secs past eight at night, Greenwich Method Opportunity, on July 20th it are going to be actually precisely 55 years given that Neil Armstrong came down on the Moon. Those 55 years amount to 20,089 days. Of those, 20,062 were actually 86,400 secs long and also 27 one 2nd longer thanks to the add-on of leap secs, a practice begun in 1972. So those 55 years will definitely amount to 1,735,689,627 seconds.