.AT 17 moments and also 40 few seconds previous 8 at night, Greenwich Mean Opportunity, on July 20th it will be precisely 55 years given that Neil Armstrong arrived at the Moon. Those 55 years amount to 20,089 days. Of those, 20,062 were 86,400 seconds long as well as 27 one 2nd longer due to the addition of leap seconds, a practice started in 1972. So those 55 years will add up to 1,735,689,627 secs.