bn:00442501n
Noun Concept
Categories: All articles needing additional references, Modern runic writing, Obsolete calendars, Articles with short description, Medieval runes
EN
runic calendar  arlaug  belgthor  Belgtzhor  Calendar rune
EN
A Runic calendar is a perpetual calendar, variants of which were used in Northern Europe until the 19th century. Wikipedia
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EN
A Runic calendar is a perpetual calendar, variants of which were used in Northern Europe until the 19th century. Wikipedia
Perpetual calendar based on the 19 year long Metonic cycle of the Moon Wikidata