Sunday In Vietnamese, the working days in the week are named as: "Thứ Hai" (second day), "Thứ Ba" (third day), "Thứ Tư" (fourth day), "Thứ Năm" (fifth day), "Thứ Sáu" (sixth day), "Thứ Bảy" (seventh day). Sunday is called "Chủ Nhật", a corrupted form of "Chúa Nhật" meaning "Lord's Day". Some colloquial text in the south of Vietnam and from the church may still use the old form to mean Sunday. In German, Wednesday is called "Mittwoch", literally "mid-week", implying that weeks run from Sunday to Saturday. In Italian, Sunday is called "domenica", which also means "Lord's Day" (from Latin "Dies
Determination of the day of the week since the start of the century, and then add these together along with the number of years since the start of the century, and the day number of the month. Eventually, one ends up with a day-count to which one applies modulo 7 to determine the day of the week of the date. Some methods do all the additions first and then cast out sevens, whereas others cast them out at each step, as in Lewis Carroll's method. Either way is quite viable: the former is easier for calculators and computer programs; the latter for mental calculation (it is quite