.AT 17 mins and also 40 seconds previous eight at night, Greenwich Method Time, on July 20th it are going to be specifically 55 years considering that Neil Armstrong landed on the Moon. Those 55 years add up to 20,089 days. Of those, 20,062 were 86,400 secs long and also 27 one 2nd longer due to the add-on of surge few seconds, a practice started in 1972. So those 55 years are going to amount to 1,735,689,627 few seconds.