Inari Sami language etc., in recent years. Since 1992, Finland's Sami have had the right to interact with officials in their own language in areas where they have traditionally lived: Enontekiö, Utsjoki, Inari and the northern part of Sodankylä as official policy favors the conservation of the language. All announcements in Inari, which is the only officially quadrilingual municipality in Finland, must be made in Finnish, North Sami, Inari Sami and Skolt Sami. Only about 10% of the public servants in the area, however, can serve the Inari Saami-speaking population in Inari Saami, so Finnish is used by the remaining 90%. In 1986,
Arctic Circle occur, in principle, exactly once per year: at the June and December solstices, respectively. However, because of atmospheric refraction and mirages, and also because the sun appears as a disk and not a point, part of the midnight sun may be seen on the night of the northern summer solstice up to about 50 minutes (′) () south of the Arctic Circle; similarly, on the day of the northern winter solstice, part of the sun may be seen up to about 50′ north of the Arctic Circle. That is true at sea level; those limits increase with elevation above sea