Jan 11, 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.

What Week Is It Today?

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

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, …

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').

6 days ago · Since 1976 every week has started on a Monday and ended on a Sunday. In countries such as the USA, Mexico, Australia and Canada the weeks start with Sunday as the first day of the …

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.