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WEEKDAY

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Formula Generator - WEEKDAY function

The WEEKDAY function in Excel returns a number representing the day of the week of the date provided. The function takes two arguments: 'date' is the date for which you want to determine the day of the week, and 'type' is an optional argument that specifies the numbering system for the days of the week (1 for Sunday to 7 for Saturday, or 2 for Monday to 1 for Sunday, and so on). If the 'type' argument is omitted, the default numbering system (1 for Sunday to 7 for Saturday) is used.

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Step 1: Describe Your Formula

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Step 2: Copy Syntax

WEEKDAY formula syntax.

The WEEKDAY function in Excel returns the day of the week as a number, ranging from 1 (Sunday) to 7 (Saturday). The syntax for the WEEKDAY function is: WEEKDAY(serial_number, [return_type]) - serial_number: This is the date or reference to a cell containing a date for which you want to determine the day of the week. - return_type (optional): This argument specifies the type of return value you want from the function. It can be 1, 2, or 3. - 1 (default): Returns numbers from 1 (Sunday) to 7 (Saturday). - 2: Returns numbers from 1 (Monday) to 7 (Sunday). - 3: Returns numbers from 0 (Monday) to 6 (Sunday). Example usage: =WEEKDAY(A2, 1) In this example, A2 contains a date, and the function will return the corresponding day of the week as a number between 1 and 7.

Use Cases & Examples In these use cases, we use the WEEKDAY function to determine the day of the week for a given date. The WEEKDAY function returns a number corresponding to the day of the week, where 1 represents Sunday, 2 represents Monday, and so on.

Calculating the day of the week for a given date

Description

This use case demonstrates how to use the WEEKDAY function to calculate the day of the week for a given date. The function returns a number representing the day of the week, where 1 is Sunday, 2 is Monday, and so on.

Result

WEEKDAY(date, [type])

Counting the number of weekdays in a range

Description

In this use case, we use the WEEKDAY function along with other functions to count the number of weekdays (Monday to Friday) in a given range of dates. The function returns the count of weekdays within the specified range.

Result

SUMPRODUCT(--(WEEKDAY(range)<>1), --(WEEKDAY(range)<>7))

Identifying the first weekday in a month

Description

This use case demonstrates how to use the WEEKDAY function to identify the first weekday (Monday to Friday) in a given month. The function returns the date of the first weekday in the specified month.

Result

DATE(year, month, MIN(IF(WEEKDAY(DATE(year, month, ROW(INDIRECT("1:"&DAY(DATE(year, month, 1))))))<6, ROW(INDIRECT("1:"&DAY(DATE(year, month, 1)))),"")))

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FAQ

What does the WEEKDAY function do?

How do I use the WEEKDAY function?

Can I customize the return value of the WEEKDAY function?

What is the default numbering system used by the WEEKDAY function?

Can I use the WEEKDAY function to determine if a date falls on a weekend?