FÈS, Morocco — Each day here, the newspaper Le Matin posts the date as it appears in four calendars: the Jewish or Hebrew calendar; the Arabic or Islamic calendar; the common or Gregorian calendar; and the Amazir calendar of the Berber people, the Amazighs, the people indigenous to Morocco. For example, the weekend edition of Le Matin for “17-18-19 janvier 2020” (in American English, January 17-19, 2020) is the Gregorian listing, and “21-22-23 joumada al ouda 1441” is the Islamic, and “22-23-24 Tévet 5780” is the Hebrew.