Advertisements Meta Query

$meta_query = array(
	'relation' => 'AND',
	array(
		'key'     => 'page',
		'value'   => 'home',
		'compare' => '=',
	),
	array(
		'key'     => 'placement',
		'value'   => 'top',
		'compare' => '=',
	),
	array(
		'key'     => 'status',
		'value'   => 'true',
		'compare' => '=',
	),
	array(
		'key'     => 'timing_start',
		'value'   => '2018-10-10 12:00:00',
		'compare' => '>',
		'type'    => 'DATE',
	),
	array(
		'key'     => 'timing_end',
		'value'   => '2018-10-31 12:00:00',
		'compare' => '<=',
		'type'    => 'DATE',
	),
);