.AT 17 moments and 40 secs past 8 at night, Greenwich Method Opportunity, on July 20th it will be specifically 55 years given that Neil Armstrong arrived at the Moon. Those 55 years add up to 20,089 days. Of those, 20,062 were 86,400 secs long and also 27 one second longer with the help of the enhancement of leap few seconds, a practice begun in 1972. So those 55 years are going to add up to 1,735,689,627 seconds.