SYNOPSIS
use Cronos::Period;
my $period = Cronos::Period->new( '07:13 ~ 13:20, 23:00 ~ 02:23' );
my ( $range, $event ) = $period->dump( $dt1, $dt2, period => 7 );
METHODS
dump( $begin, $end, %param )
Returns a range of durations and a list of events indicated by seconds since epoch.
period: interation
day: days to select by