| day of week | DOW | The name of one of the seven days of the week traditionally named for the formerly only known planets, in English: sun, moon, Tiu (Mars), Odin (Jupiter), Thor (Mercury), Frigga (Venus), Saturn; the d. o. w. appears in the date description in PS-RULE DP2 , where it either precedes the rest of the day of year or follows as a part of the feast day name |