Determination of the day of the week the day of the week without any calculations. Examples: December is in row F and 26 is in column E, so the letter for the date is C located in row F and column E. 93 (year mod 100) is in row D (year row) and the letter C in the year row is located in column G. 18 ([year/100] in the Gregorian century column) is in row C (century row) and the letter in the century row and column G is B, so the day of the week is Tuesday. October 13 is a F day. The letter F
Names of the days of the week - see понедельник Thing (Assembly), of which god Tyr/Ziu was the patron. Mid-week "or" Middle The day between two fasts "(An Dé idir dhá aoin, contracted to An Déardaoin)" (Christianity) The Fast or Fasting Day (Christianity) Good Friday or Preparation (Christianity) "Shabbat" (Jewish Sabbath) Names of the days of the week The names of the days of the week in many languages are derived from the names of the classical planets in Hellenistic astrology, which were in turn named after contemporary deities, a system introduced by the Roman Empire during Late Antiquity. In some other languages, the days are named