9:30 to 4:30 is a time span of 7 hours.
If you take 30 minutes for lunch, then you are in the office and not eating for 61/2 hours.
You'll most likely claim to have been working for that entire period, and therefore expect
to be paid for every minute of it.
From 9:30 to the next occurrence of 4:30 is seven hours.
55,800 (930 x 60mins)
12 hours
9 hours.
1460
8
This is equivalent to 16 hours.
6 hours and 30 minutes.
1 month 210 hours
6 3/4 hours
9h 15m
There are (7.5 + 24k) hours where k is an integer.