.AT 17 moments and 40 secs past 8 at night, Greenwich Method Opportunity, on July 20th it will definitely be actually exactly 55 years due to the fact that Neil Armstrong arrived at the Moon. Those 55 years amount to 20,089 days. Of those, 20,062 were 86,400 secs long and 27 one 2nd longer due to the add-on of surge seconds, a technique started in 1972. So those 55 years will add up to 1,735,689,627 seconds.