.AT 17 mins and 40 seconds past 8 at night, Greenwich Way Time, on July 20th it are going to be specifically 55 years due to the fact that Neil Armstrong landed on the Moon. Those 55 years add up to 20,089 days. Of those, 20,062 were actually 86,400 seconds long and also 27 one second longer because of the add-on of jump secs, a strategy started in 1972. So those 55 years will definitely add up to 1,735,689,627 secs.