.AT 17 moments and 40 few seconds past eight in the evening, Greenwich Method Time, on July 20th it are going to be exactly 55 years due to the fact that Neil Armstrong came down on the Moon. Those 55 years add up to 20,089 days. Of those, 20,062 were actually 86,400 few seconds long and 27 one second longer with the help of the add-on of leap seconds, a strategy started in 1972. So those 55 years are going to add up to 1,735,689,627 secs.