MetaStock -> Tools -> Indicator Builder -> New
Copy and paste formula below.


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Calendar Day of Year
====================
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{ Calendar Day of Year counter }
{ count is independent of any missing chart data }
{ ©Copyright 2003 Jose Silva }
{ http://www.metastocktools.com }

leap:=Frac(Year()/4)=0 AND Frac(Year()/100)<>0
 OR Frac(Year()/400)=0;
m:=leap+
 If(Month()=2,31-leap,
 If(Month()=3,59,
 If(Month()=4,90,
 If(Month()=5,120,
 If(Month()=6,151,
 If(Month()=7,181,
 If(Month()=8,212,
 If(Month()=9,243,
 If(Month()=10,273,
 If(Month()=11,304,
 If(Month()=12,334,
 -leap)))))))))));
Day:=m+DayOfMonth();

Day

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