Re: [libreoffice-users] Calc formula for US Thanksgiving date

At 05:58 03/12/2012 -0500, Dottie Noname wrote:
> I need a formula for Calc to determine the US Thanksgiving date for 
> a given year.

I could have answered this sooner but resisted at first because of 
the unfriendly - frankly selfish - habit of suppressing any 
name.  How is anyone to refer to you?  How is anyone to search for 
your previous messages?  It doesn't matter if you use your real name 
or not: call yourself Albert Einstein or Mickey Mouse or Algernon 
Cholmondeley-Featherstonehaugh if you wish, but please remember that 
you are asking for help and grant everyone the courtesy of giving 
yourself some sort of usable handle.  Thank you.  </soapbox>

It's not exactly clear what you want here: for this year, for 
example, would you like the result to be the integer 22 or the date 
value 22 November 2012?  (I'm guessing probably the latter.)

For the integer:
=29-WEEKDAY(DATE(Xn;11;3))
or for the date value:
=DATE(Xn;11;29)-WEEKDAY(DATE(Xn;11;3))

In each case, Xn is the cell with the relevant year.  In the second 
case, the result cell will have to be appropriately formatted in 
order to display as you will wish.

I trust this helps.

Brian Barker


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