Time management

Hi, everyone!

In my company we work with time evaluation, but, i don´t kwno why, the sistem doesn´t discount the time, when one employe leaves work before their time to go out. for example, the employe works at 6:00am to 3:30 pm and he decided leaves work at 12:30. the sistem not considerate this delay.

Someboday can help me please?

Thanks!!