there are 192,720 hours in 22 years, not counting leap years. counting leap years there are 192,840 hours.
It's not really a decade if you exclude leap years, but 365 x 10 = 3650.
In 10 years and including 2 leap years there are 87,648 hours.
315360000
87648 that's including the leap years
1 year = 52 1/7 weeks (not counting leap years) 21 years = 1095 weeks (with some days left over if you are counting leap years) ■
Since each year is 365 days (except in Leap years) and there are 10 years in a decade , there are 10x 365 day + 2 or 3 leap days, depending on which 10 years you choose. So... 3652 or 3653 days in a decade.
Not counting leap years, 30,685 days is approx. 84 years.
365
4,380 days
73,000 days not counting leap years. 50 possible leap years. So 73,050 total.
2 half way to the next. 2 because it takes 4 years for every leap year to commence