.AT 17 moments and 40 few seconds past 8 at night, Greenwich Mean Opportunity, on July 20th it will certainly be specifically 55 years since Neil Armstrong came down on the Moon. Those 55 years amount to 20,089 times. Of those, 20,062 were actually 86,400 secs long and 27 one 2nd longer because of the addition of leap secs, a method begun in 1972.
So those 55 years are going to amount to 1,735,689,627 secs.