🌐EnglishEnglishItalianoEntityQ6593547· pop 7· linked from 190 articlesPentecontad calendarSign in to saveMesopotamian calendar, whose year consists of 7 periods of 50 days, with an annual supplement of 15 or 16 daysConnectionsMaya calendarEntityBeta IsraelEntityCategories3rd-millennium BC establishmentsAmoritesBook of JubileesCulture of Palestine (region)Obsolete calendars