I have configured workschedules for all my employees, so the leave request for them whould be a lot easier. 

In that spirit I have configured a shift from 9 to 9 with a total duration of 0 hours. 

When a employee fills in a leave request for lets say a week, the duration of the leave request for that day of the week is set to 0 hours in the form. 

but after submitting the leave request, the duration of leave on that pirticular day is set to 24 hours. This is not workable, and its quite stupid that it works this way. 

here is a screenshot of the situation before submitting

And this is the situation after submitting the leave request: