What do you want to do here?

The idea is to add the number of days per month to $jul - but what you are trying is neither a loop nor a sum, but some kind of array slice (that would be written as @Days[0 .. $mo]).

Maybe you meant something like this: 

use List::Util qw(sum);
...
$jul = sum(@Days[0..$mo]) + $da;

[download]

By the way please try to write in proper english words, we all try (and we're not all native speakers)

Perl 6 in German -- Difficult Sudoku

In reply to Re: Very Simple Conversion of Gregorian to Julian Calendar by moritz
in thread Very Simple Conversion of Gregorian to Julian Calendar by Aim9b

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