Feb 1, 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?

6 days ago · Find the current week number, look up the week number of any date, or convert week number to date ranges.

6 days ago · The rule of thumb to calculate the week number is based on the number of months from January to the last month multiplied by 4 plus the number of weeks in the current month.

6 days ago · This tool helps you figure out the week number of the year. We use the ISO 8601 standard, which is a fancy way of saying that weeks start on a Monday and the first week of the year is the one …

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.

Check the current week number and convert between dates and week numbers on Weeknumber.com.