.AT 17 moments and 40 few seconds previous eight in the evening, Greenwich Way Time, on July 20th it will be actually precisely 55 years because Neil Armstrong landed on the Moon. Those 55 years amount to 20,089 days. Of those, 20,062 were 86,400 seconds long and also 27 one 2nd longer thanks to the addition of surge secs, a method started in 1972. So those 55 years will amount to 1,735,689,627 seconds.