DayOfYear Syntax DayOfYear([yy]yymmdd); [yy]yymmdd A date string. Description Returns the number of the day in a year (1-365) where 1 is January 1st. Returns A number (string) between 1-365. Example $a="980212"; $b=dayofyear($a); Result: $b="43"
DayOfYear([yy]yymmdd);
[yy]yymmdd
$a="980212";
$b=dayofyear($a);