fix counting backwards into a leapyear

[spider.git] / perl / Julian.pm

diff --git a/perl/Julian.pm b/perl/Julian.pm
index ecef2d81e0f3bb5809ced2ebe4989114bc9c6eb3..5351aa278c98bec968dabe03e20339284c8321f8 100644 (file)
--- a/perl/Julian.pm
+++ b/perl/Julian.pm
@@ -79,9 +79,9 @@ sub sub($$)
        my $diny = _isleap($self->[0]) ? 366 : 365;
        $self->[1] -= $amount;
        while ($self->[1] <= 0) {
-               $self->[1] += $diny;
                $self->[0] -= 1;
                $diny = _isleap($self->[0]) ? 366 : 365;
+               $self->[1] += $diny;
        }
        return $self;
 }