Nice use of FLOOR and CEILING but I think the first formula should be
=DATE(YEAR(A1),FLOOR(MONTH(A1)-1,3)+1,1)
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HTH
Bob Phillips
(remove nothere from email address if mailing direct)
"daddylonglegs"
wrote in message
news:daddylonglegs.244akc_1141428902.6934@excelfor um-nospam.com...
If your date is in A1 this formula gives the first day of the quarter
=DATE(YEAR(A1),FLOOR(MONTH(A1)-1,3),1)
and this the last day
=DATE(YEAR(A1),CEILING(MONTH(A1),3)+1,0)
--
daddylonglegs
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