On Wed, 20 Sep 2006 12:52:01 -0700, Jim J.
wrote:

How can one determine the correct day of the year, based on a 365 day year?
I can use ‘DAYS360’ to find the number of today’s date
=DAYS360(1/1/2006,9/20/2006,FALSE) will yield ‘259’. But the actual day
number based on a 365 day year is 263. I don't care about a 360 days year (I
don't live there!). Again, how can I calculate the actual day number based
on a 365 day year?

A1: 9/20/2006
A2: =A1 - DATE(YEAR(A1),1,0)

Format as General or Number


PS Why does this formula yield ‘38420’ instead of ‘259’?:
=DAYS360(1/1/2006,TODAY(),FALSE)

Because your start date is a very small number:

1/1/2006 = 1 divided by 2006 = 0.000498504

Your Days360 function reduces to:

=DAYS360(0,TODAY(),FALSE) which is the number of days since 12/31/1899 or
38420.

If you want the string to be interpreted as a date, inside a function, you can
use:

=DAYS360("1/1/2006",TODAY(),FALSE)
or
=DAYS360(DATE(2006,1,1),TODAY(),FALSE)


--ron