.AT 17 moments and also 40 seconds past eight in the evening, Greenwich Method Time, on July 20th it are going to be actually precisely 55 years because Neil Armstrong landed on the Moon. Those 55 years add up to 20,089 days. Of those, 20,062 were 86,400 seconds long and 27 one second longer because of the enhancement of surge secs, a practice begun in 1972. So those 55 years will definitely add up to 1,735,689,627 secs.