The meaning of WEEK is any of a series of 7-day cycles used in various calendars; especially : a 7-day cycle beginning on Sunday and ending on Saturday. How to use week in a sentence.

There are just over 52 weeks in a year. The term "week" may also be used to refer to a sub-section of the week, such as the workweek and weekend. Ancient cultures had different "week" lengths, …

20 hours ago · See here which week number this week has. On this website we've also listed annual and monthly calendars including 2026, 2027 and 2028.

Definition of week noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Sunday is the first day of week and Saturday if the last day of the week. The first week of the year is the week that contains January 4th, first 4 days of the year.

20 hours ago · Check the current week number and convert between dates and week numbers on Weeknumber.com.

Jan 4, 2026 · week (plural weeks) Any period of seven consecutive days. alternative forms, synonyms holonyms, meronyms quotations Alternative forms: wk, wks (symbols) Synonyms: …

Jan 4, 2026 · Find the ISO week number for any date. See which week of the year it is and the date range for that week.

6 days ago · View the current week no, its date range, and how many weeks left in this year. Find the number of the week for a specific date. See the date range for any week in a specific year. …

week, period of seven days, a unit of time artificially devised with no astronomical basis. The week’s origin is generally associated with the ancient Jews and the biblical account of the …