sub hour_in_range {
    my ($dt_s, $dt_e, @hours) = @_;

    my $dt_span = DateTime::Span->from_datetimes(
        start => $dt_s, end => $dt_e
    );

    for my $hour (@hours) {
        my $dt = $dt_s->clone()
                      ->truncate( to => 'day' )
                      ->add( hours => $hour );

        $dt->add( days => 1 ) if $dt < $dt_s;

        my $hour_span = DateTime::Span->from_datetimes(
            start => $dt, end => $dt
        );

        return 1 if $dt_span->intersects($hour_span);
    }

    return 0;
}