How many hours form Saturday 3 0clock to monday at 11 o clock?

From Saturday at 3:00 to Monday at 11:00 is a total of 44 hours. This includes 21 hours from Saturday 3:00 to Sunday 3:00, plus 24 hours from Sunday 3:00 to Monday 3:00, and then an additional 8 hours from Monday 3:00 to Monday 11:00.