Wednesday is according to internationally standardized counting (ISO 8601), the third day of the week, according to the Jewish, Christian and Islamic count of fourth (and hence the average ).

The name is from the 10th century, including in the form of Old High German mittiwehha, occupied or in use (written in Old High German texts in Notker and Otfrid ), and refers to the Christian-Jewish counting of the days of the week. With him, the Christian missionary in the German language avoided the suggestion of pre-Christian deities, which were preserved in the foreign-language terminology: In English the name Wednesday to the god Wodan indicated (Old English woden, therefore wodnesdæg ); in Dutch and Low German Woensdag Wunsdag the word for Wednesday also that origin. Wodan is equated in some sources with Mercurius, accordingly we find in Latin This Mercurii ( day of Mercury ). The latter lives on in French mercredi, Rumanian. miercuri, Italian mercoledì, Spanish miércoles and alb. e Mercuries. In addition to the German language guide Icelandic, Scandinavian else but Onsdag by Odin / Wodan, and most Slavic languages, the name for Wednesday from the middle of a word in the language from. So it is, isl among others. Miðvikudagur, Russian, Serbian: среда ( sreda ) poln Środa, Slovak:. Streda and it borrowed Hungarian Szerda. The genus of the word Wednesday was originally feminine.

Wednesday was, according to folklore as unlucky. He was the wedding day for quiet weddings (for example, for " fallen women "). According to the teaching of the Orthodox Church, Wednesday was the day on which Judas Iscariot sold Christ Jesus. Therefore, the Wednesday is usually a day of fasting in the Orthodox Church as well as Fridays.