kholidays: kholidays: The KHolidays library in kdepimlibs provides details on public kholidays: holidays for a given country and date range. A separate library and kholidays: file format is required as iCalendar is not capable of expressing kholidays: recurrence rules for all possible holidays. kholidays: kholidays: kholidays: kholidays: kholidays: