14
Friday 11pm to Monday 11pm is exactly 3 days or 72 hours.
Usually, that means 7 AM until 3 PM. 7am-3pm is first shift 3pm-11pm is second shift 11pm-7am is third shift
3pm to 10pm is 7 hours.
13
There are 72 + 168n hours where n is an integer.
Typically, chefs work from About 3pm, when restaurants open for dinner until 11pm, which is typically when they close. Hours can range from 11am till midnight (which is where I work) to 3pm to 10pm. They all depend on the type of establishment and whether or not you own it.
3 hours between 12pm and 3pm
24 of course !
7 hours
6 hours
2 hours