Create the list of public federal holidays that are observed in your organization. This configuration is used for tracking the due date of requests and the performance of the approvers.
Select Admin -> General Settings.
Click on Holiday Calendar.
To configure Holidays, click on the + button at the bottom of the screen.
Select the date and specify the name of the holiday.
Click on the edit icon to make any changes in the existing holiday set-up. To delete the holiday from the calendar click on the Delete icon.