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converting julian day and year to a date?

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Posted to microsoft.public.excel.worksheet.functions

Roger Govier

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converting julian day and year to a date?

Hi Chad

Try
=DATE(A1,1,1)+B1

--
Regards

Roger Govier

"Chad Nordberg" <Chad wrote in
message ...
I have a weather station that outputs a text file with two columns, one
with
a 4 digit year, and another with the julian day. I need to convert
the
julian day to a standard date format (i.e. 3/25/2006). I can use the
"DAY"
function in excel to return the day from the julian day, but it only
works if
February has 29 days. Does anyone have a calculation to convert the
julian
day to the correct standard date format taking into consideration the
year.
I have been using the following formula to do it, but it only works on
or
after march 1st. I have to change it for 1/1 through 2/28 for the
other 3
years.

=DATEVALUE(CONCATENATE((MONTH(B1+1)),"-",(DAY(B1+1)),"-",A1))

Where B1 is the julian day and A1 is the 4 digit year.

Thank you for your time and effort.

Sincerely,
Chad Nordberg

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