It congratulates you with current holiday at every Windows start. It has following features: - four semantic groups of calendars; - support of calendars with national holidays innational languages;- calendars include fixed dates as well as not fixed dates (e.g. Last Sunday in July or 40 days afterWestern/Orthodox Easter);- support of USER CALENDAR in different national languages;- you can install new calendars and national languages (having downloaded it from developer?s Web-site).