Horas Laborales: Calculate the number of worked hours between dates

This class can calculate the number of worked hours between dates.

It takes as parameters two dates the delimit the start and the end of a work period.

The class returns the number of worked hours between those two dates assuming a given start and end work time at each day. It returns the number of minutes, hours, days and months.

In Spanish:

Clase que calcula el tiempo de una tarea dentro de un horario laboral.