it looks you're aware of entering an array formula
lets see another idea maybe something like this
=SUM(--(WEEKDAY(A1:A20)=7))
hit ctrl-shft-ent..

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birds of the same feather flock together..



"H" wrote:

Hi,

I need to count the number of Saturdays in an array of dates. I used the
following approach, which didn't work. Does anyone have another idea?

{=SUM(IF((WEEKDAY(array1,2)=7),1,0))}

Thanks!