Shows detailed calendar view of current or selected weeks Current week calendar & details

A week number represents the specific week of the year. In the ISO 8601 calendar, weeks start with Monday and end on Sunday, with approximately 52 weeks in a year.

Find out the current week number of the year according to the ISO 8601 standard. This page also provides programming routines in various languages to calculate week numbers for any date.

Current week number in United States with week rules, start and end dates, and monthly calendar highlighting the current week.

There are just over 52 weeks in a year, or on average 4⁄3 weeks in a month. The days of the week are often used to set work days, rest days, and holy days. The term "week" may also be used to refer to a sub-section of the week, such as the workweek and weekend.

The average price for a gallon of gas in Peoria has dropped 3.5 cents in the last week to an average of $4.90 on Monday, according to a GasBuddy survey of 148 stations.

View all ISO week numbers for the year 2026, including start and end dates for each week. Useful for scheduling, planning, and project timelines.

Complete list of week numbers (week of the year) for the year 2026, including start and end dates for each ISO 8601 week (Monday–Sunday).

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.