.AT 17 MINUTES as well as 40 few seconds previous eight at night, Greenwich Mean Opportunity, on July 20th it will certainly be actually exactly 55 years due to the fact that 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 also 27 one 2nd longer because of the enhancement of jump secs, a method begun in 1972. So those 55 years will add up to 1,735,689,627 few seconds.