.AT 17 mins and also 40 secs past eight at night, Greenwich Mean Opportunity, on July 20th it are going to be actually specifically 55 years due to the fact that Neil Armstrong landed on the Moon. Those 55 years amount to 20,089 times. Of those, 20,062 were actually 86,400 few seconds long and also 27 one 2nd longer because of the add-on of leap seconds, a practice started in 1972.
So those 55 years will amount to 1,735,689,627 seconds.