If you set a timing clock to zero at 9-00pm on Wednesday, by midnight it will have recorded 3-00 hours; we have reached the time which changes from the end of Wednesday to the beginning of Thursday; from there to 1-00am is only 1 hour, so altogether the elapsed time will be exactly 4-00 hours.
1120
10 minutes.
I do it in two parts. I calculate how much time has elapsed between the AM and noon, then how much time has elapsed between noon and the PM, then add them together.
6 hours have been elapsed
The elapsed time of 1 pm to 9 am is 20 hours.
About 30 minutes
3 hours 53 minutes
2 hours, 22 minutes.
6 hours.
2 hours 25 minutes
I do it in two parts. I calculate how much time has elapsed between the AM and noon, then how much time has elapsed between noon and the PM, then add them together.
18 minutes
6 hours have been elapsed
255
The elapsed time of 1 pm to 9 am is 20 hours.
10 hours
Around 12:30 am
About 30 minutes
1 hour and 40 minutes.