Assigning employees to worktimes automatically enables the offences detection system (if offences rules are active). Adding a holiday lets you specify days when attendance offences are not detected, like on national events and holidays.
From the sidebar, click on Official Holidays. You'll see the list of holidays.
Click the Add holiday button. The holiday information page will show up.
Select the start and end dates for the holiday.
Fill out the details, then hit the save button.
From the sidebar, click on Official Holidays. You'll see the list of holidays.
Next to the holiday you want to delete, under the Action column, click the delete button then confirm.