.AT 17 moments and also 40 secs previous 8 in the evening, Greenwich Method Time, on July 20th it will be actually precisely 55 years since Neil Armstrong arrived on the Moon. Those 55 years amount to 20,089 days. Of those, 20,062 were 86,400 seconds long and 27 one 2nd longer because of the enhancement of leap few seconds, a method begun in 1972. So those 55 years will add up to 1,735,689,627 few seconds.