the us is 1182600000 hrs old
12 AM one day to 2 AM the next day is 26 hours.
1350
The next major holiday after Independence Day is Labor Day, but if you don't celebrate Labor Day, then Thanksgiving.
29 hours (24 hours - 9 hours [1st day] + 14 hours [2nd day])
From 8 AM to 8 PM the same day is 12 hours. Then, from 8 PM to 8 AM the next day is an additional 12 hours. Therefore, the total time from 8 AM to 8 PM the next day is 24 hours.
From 8PM to 1PM (the next day) is 17 hours.
From 11 AM to 2 AM the next day is a total of 15 hours. This includes the 13 hours from 11 AM to midnight, plus an additional 2 hours from midnight to 2 AM.
If the 2 AM is the very next day, then the duration is 17 hours.
24
To calculate the hours from 1230 hours (12:30 PM) one day until 0620 hours (6:20 AM) the next day, you first count the hours remaining in the day from 12:30 PM to midnight, which is 11.5 hours. Then, you add the 6 hours and 20 minutes from midnight to 6:20 AM the next day. In total, that gives you 11.5 + 6.33 = approximately 17.83 hours, or 17 hours and 50 minutes.
8 hours.
Independence Day 2 is tentatively schedule for release in 2013. It is still in development.