.AT 17 moments and 40 secs past 8 at night, Greenwich Mean Opportunity, on July 20th it are going to be actually precisely 55 years because Neil Armstrong arrived on the Moon. Those 55 years add up to 20,089 times. Of those, 20,062 were 86,400 few seconds long and 27 one 2nd longer because of the add-on of leap secs, a practice started in 1972. So those 55 years will certainly amount to 1,735,689,627 few seconds.