This is an array formula and must be entered with control + shift + enter.
How this formula works
At a high level, this formula uses a nested IF function to return an array of holidays between two dates. This array is then processed by the TEXTJOIN function, which converts the array to text using a comma as the delimiter.
Working from the inside out, we generate the array of matching holidays using a nested IF:
If the dates in B4:B12 are greater than or equal the start date in F5, and if the dates in B4:B12 are less than or equal the end date in F6, then IF returns a an array of holidays. In the example shown, the list looks like this:
This array is then delivered to the TEXTJOIN function as the text1 argument, where the delimiter is set to ", " and ignore_empty is TRUE. The TEXT JOIN function processes the items in the array and returns a string where every non-empty item is separated by a comma plus space.
To count holidays that occur between two dates, you can use the SUMPRODUCT function. In the example shown, the formula in F8 is: = SUMPRODUCT (( B4:B12 >= F5 ) * ( B4:B12 <= F6 )) How this formula works This formula uses two expressions in a...
The IF function can perform a logical test and return one value for a TRUE result, and another for a FALSE result. For example, to "pass" scores above 70: =IF(A1>70,"Pass","Fail"). More than one condition can be tested by nesting IF functions....
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