. . "Hayom Yom"@en . "Hayom Yom (Hebrew: \u05D4\u05D9\u05D5\u05DD \u05D9\u05D5\u05DD\u200E, \"Today is day ...\") is a calendar for the Hebrew year of 5703 (1942-3), compiled by Rabbi Menachem Mendel Schneerson at the behest of his father-in-law, Rabbi Yosef Yitzchok Schneersohn, in the winter of 1942.For each day, the calendar prescribed sections of Chumash, Tehillim, and Tanya for study that day; this practice is known in Chabad-Lubavitch as Chitas (\u05D7\u05EA\"\u05EA)."@en .