How to generate random weekday or weekend date in Excel?


This tutorial is designed to help learners to understand the technique to generate random weekday or weekend date in excel. In this tutorial, the user will understand three possible methods to perform this task. First method is based on using predefined formula, to generate random date. Second method allow user to use kutool to generate the random dates, and last method allow user to use the VBA code to generate the date randomly. Same method can be used to generate both weekday and weekend dates.

Example 1: Example to generate random weekday date in excel.

Step 1:

To understand the guided step, firstly create an excel sheet with below given table data:

Step 2:

After that go to A2 cell. Type the provided formula, “=DATE(2023, 4, 1)+LARGE(IF(WEEKDAY(DATE(2023, 4, 1)+ROW($1:$365)-1, 2)<6, ROW($1:$365)-1, ""), RANDBETWEEN(1, SUM(--(WEEKDAY(DATE(2023, 1, 1)+ROW($1:$365)-1, 2)<6))))” to the cell.

Explanation

DATE() is a predefined excel method to generate the date without any need to define a method. Simply, call the method, and pass the required parameters to generate a date.

WEEKDAY() − this method will generate a date lies in the weekday.

2023, is the current taken year.

SUM(): it is a method used to calculate sum.

Consider below given formula snapshot

Step 3:

Press “Enter” key. This will display a random weekday, as depicted below:

Example 2: Example to generate random weekend date in excel by using the kutool.

Step 1:

Consider below given sample worksheet with A2, active cell.

Step 2:

After that go to the “Kutools” tab and choose “Editing” option. Further select the “Insert” option. From the newly appeared drop-down menu simply choose “Insert Random Data”.

Step 3:

This will open the below given “Insert Random Data” dialog box.

Step 4:

Select the “Date” tab and set the date in from and to input drop-down menu. Select “Workday” if user wants to generate a weekday. For this case, let’s generate a “weekend” date. Finally, click on “OK”.

Step 5:

This will display a random date on console.

Example 3: Example to generate random weekday date in excel by using VBA code.

Step 1:

Consider below given sample worksheet.

Step 2:

After that go to the “Developer” tab, under the “code” section select the “Visual Basic” code.

Step 3:

This will open the below given code area:

Step 4:

After that go to insert tab and click on “Module”.

Step 5:

This will open an area to write module code.

Step 6:

In the above code area, type the below given code:

'declaring boolean variable
Dim rnd_y As Boolean
' define function with name rnd_date
Function rnd_date(pYear As Long)
    'declaring required variables
    Dim i As Long
    ' variable to store day of year
    Dim day_in_year As Long
    Dim x_ind As Long
    Dim rnd_ind As Long
    Dim Temp As Date
    ' variable to store week days
    Dim Week_days() As Variant
    ' if expression to check if
    ' value of rnd_y is 0
    If Not rnd_y Then
        'then update true
        rnd_y = True
        'generate random values
        Randomize
    ' end of if block
    End If
    ' calculating days in year by using below given fomrula
    day_in_year = DateSerial(pYear + 1, 1, 1) - DateSerial(pYear, 1, 1)
    ReDim Week_days(1 To day_in_year)
    ' for loop to iterate the data values
    For i = 1 To day_in_year
        '   if weekday is less than 6
        If Weekday(DateSerial(pYear, 1, i), vbMonday) < 6 Then
            ' then below given instructions will be executed
            x_ind = x_ind + 1
            Week_days(x_ind) = DateSerial(pYear, 1, i)
        ' end of if block
        End If
    ' next block
    Next
    ReDim Preserve Week_days(1 To x_ind)
    ' for loop to chekc the loop values
    For i = x_ind To 1 Step -1
        ' casting obtained data to int
        rnd_ind = Int(i * Rnd + 1)
        ' calling week_days method again
        Temp = Week_days(rnd_ind)
        Week_days(rnd_ind) = Week_days(i)
        'store temp data to weekdays(i) location
        Week_days(i) = Temp
    ' next instruction
    Next
    'storing results
    rnd_date = Application.WorksheetFunction.Transpose(Week_days)
' end of function module
End Function

Please use proper code indentation, otherwise, the code will display error on the sheet.

Code snapshot

Step 7:

Press “Ctrl+S” to save the code, and after that open the sheet, to call the method “rnd_date(2023)” as pass year as a parameter value.

Step 8:

This will display random dates of the provided year. As, shown below:

Conclusion:

This tutorial allow user to understand the way to generate the random weekday and weekend dates by using three different methods. After completing the tutorial user will able to easily generate the date.

Updated on: 17-Apr-2023

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