2021

desde inicio a final del 2021

$date_query = array(
	'relation' => 'AND',
	array(
		'year'          => 2021,
		'month'         => 1,
		'day'           => 1,
		'dayofweek_iso' => 1,
		'compare'       => '>=',
		'column'        => 'post_date',
	),
	array(
		'year'          => 2021,
		'month'         => 12,
		'day'           => 31,
		'dayofweek_iso' => 1,
		'hour'          => 23,
		'minute'        => 59,
		'second'        => 59,
		'compare'       => '<=',
		'column'        => 'post_date',
	),
);