- #CURRENT WEEK NUMBER HOW TO#
- #CURRENT WEEK NUMBER ISO#
This formula will return the week number of the date in cell A1 in the same year, with the week starting on Monday. For example: =WEEKNUM(DATE(YEAR(A1), MONTH(A1), DAY(A1)), 2) If you want to find the week number of a date in a specific year, you can use the YEAR function in combination with the WEEKNUM function.
#CURRENT WEEK NUMBER ISO#
If you need to find the week number according to a specific calendar system (e.g., ISO week numbers), you may need to use a different formula or function, such as the ISOWEEKNUM function in Excel 2013 and later.
Remember that the WEEKNUM function returns the week number as per the specified return_type. Here are some tips and tricks to help you get the most out of the WEEKNUM formula in Excel: For example, to find the week number of today's date with the week starting on Sunday, you can use the following formula: You can also use the WEEKNUM formula with a date formula, such as TODAY(). If you want to find the week number of a date with the week starting on Monday, you can use the following formula: =WEEKNUM(A1, 2) This will return the week number of the date in cell A1 with the week starting on Monday, which is 52 in this case.Įxample 3: Using WEEKNUM with a date formula This will return the week number of the date in cell A1, which is 1 in this case.Įxample 2: Using WEEKNUM with a different return_type You can use the following formula: =WEEKNUM(A1) Suppose you have a date in cell A1 (e.g., ) and you want to find the week number with the week starting on Sunday (default). #CURRENT WEEK NUMBER HOW TO#
Here are some examples of how to use the WEEKNUM formula in Excel: If omitted, the default value is 1, which means the week begins on Sunday.
return_type (optional) is a number that determines the day the week begins. This can be a date entered directly, a cell reference containing a date, or a formula that returns a date. serial_number (required) is the date for which you want to find the week number. The WEEKNUM formula in Excel has the following syntax: =WEEKNUM(serial_number, ) 
We will cover the syntax, examples, tips and tricks, common mistakes, troubleshooting, and related formulae for the WEEKNUM function. This formula is particularly useful when you need to organize and analyze data based on weeks. In this comprehensive guide, we will explore the WEEKNUM formula in Excel, which is used to calculate the week number of a specific date.
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