Explanation

You might wonder why we aren’t usingCOUNTIForCOUNTIFS.

These functions seem like the obvious solution.

This makes it easier to list the days in order with the numbers in column E in sequence.

Excel formula: Sum by weekday

WEEKDAY evaluates each date indates(B5:B15) and returns a number.

Without day numbers

The day numbers in column E make the formula easier to understand and write.

By default, WEEKDAY returns 1 for Sunday and 7 for Saturday, but this is configurable.

Excel formula: Count day of week between dates

it’s possible for you to use the WEEKDAY function inside other formulas to check the day of week.

MATCH supports approximate and exact matching, andwildcards(* ?)

Often, MATCH is combined with the…

Excel formula: Count birthdays by month

Excel formula: Count dates in given year

Excel SUMPRODUCT function

Excel WEEKDAY function

Excel MATCH function