A holiday calendar is used to define a list of public holidays for a country or region.The holiday calendar is allocated to a number of users (members). When these users apply for leave the holiday calendar to calculate the number of days of leave required.A user can be a member of more than one calendar. In this case all of the holidays from all of the calendars are applicable to that user.A holiday calendar can only be added by an administrator. This can be done from the organisation view page.