=YEAR(A2)*1000+A2-DATE(YEAR(A2),1,0)
or
=YEAR(A2)&TEXT(A2-DATE(YEAR(A2),1,0),"000")
(if you want text)


Bruce wrote:

Hi,

How can I format a date into the fomat yyyyddd where ddd is the day of the
calender year (i.e. out of 365 or 366 if a leap year. Assume my date is in
cell A2.

Bruce

--

Dave Peterson