.AT 17 moments and also 40 secs past eight in the evening, Greenwich Mean Time, on July 20th it will definitely be exactly 55 years due to the fact that Neil Armstrong came down on the Moon. Those 55 years amount to 20,089 days. Of those, 20,062 were actually 86,400 secs long as well as 27 one 2nd longer because of the add-on of jump secs, a practice started in 1972. So those 55 years are going to add up to 1,735,689,627 secs.