Date-Qreki
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examples/synopsis.pl view on Meta::CPAN
#!/home/ben/software/install/bin/perl
use warnings;
use strict;
use utf8;
use Date::Qreki ':all';
my @qreki = calc_kyureki (2017, 1, 31);
print "Old calendar $qreki[0] $qreki[2] $qreki[3]\n";
( run in 0.583 second using v1.01-cache-2.11-cpan-98e64b0badf )