However, Excel offers many other powerful functions that can be used to craft a custom solution.
Key functions
This is a more advanced formula based on several newer functions in Excel.
The abbreviation “dow” stands for “day of week”.
This gives us a date range that spans the full number of months.
At this point, we are done with set-up and have everything we need to begin generating dates.
The resulting array of dates is assigned to the variable “dates”.
For more details, seeSequence of days.
Inside the LAMBDA function “d” is a variable that represents a single date infdates.
The two expressions are joined by multiplication (*) which createsAND logic using Boolean algebra.
It is important to understand that this operation is performed oneach date (d)infdates.
The array is then assigned to the variable “instance”.
This formula is dynamic.
If the month is the same, we increment by 1.
If not, we reset the number to 1.
The array can be one dimensional, or two-dimensional, determined byrowsandcolumnsarguments.
The output from FILTER is dynamic.
If source data or criteria change, FILTER will return a new set of results.
in a text string with the number format of your choice.
