:For other uses, see Wednesday (disambiguation). Wednesday 's a day of the week in the Gregorian calendar. According to international standard ISO 8601, it's the third day of the week. This day's between Tuesday and Thursday. Origins of the name » See Week-day names for more on naming conventions. The name comes from the Middle English Wednes dei, which's from Old English language Wēdnes dæg, meaning the day of the English god Woden (Wodan) who was a god of the Anglo-Saxons in England… (More on Wednesday)