Jan 4, 2026 · See here which week number this week has. On this website we've also listed annual and monthly calendars including 2026, 2027 and 2028.

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, …

What Week Is It Today?

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.

2 days ago · Quickly find out what week of the year it is right now, or check the week number for any specific date. Accurate and easy-to-use ISO week calculator.

Week number according to the ISO-8601 standard, weeks starting on Monday. The first week of the year is the week that contains that year's first Thursday (='First 4-day week').

3 days ago · See what week of the year it is along our week number calendar. See the current week number to find out how far into the year we are.

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. Note: The …

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