.AT 17 mins and 40 secs previous 8 at night, Greenwich Mean Time, on July 20th it are going to be actually exactly 55 years considering that Neil Armstrong landed 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 due to the add-on of jump secs, a practice begun in 1972.
So those 55 years are going to add up to 1,735,689,627 few seconds.