sort custom post type by ACF date field

sort custom post type by ACF date field

// sort by date field showing events after today
function dmc_training_cpt_pre_get_posts( $query ) {
	if ( is_admin() || ! $query->is_main_query() ) { return;
	}
	if ( is_post_type_archive( 'dmc-offer' ) )
	{

		$date_now = date( 'Y-m-d H:i' );

		$query->set( 'posts_per_page',  -1 );

		$meta_query = array(
		    array(
		    	'key'       => 'dmc_close_date_time',
		        'compare'   => '>=',
		        'value'     => $date_now,
		        'type' => 'DATETIME',
		    ),
		);

		$query->set( 'meta_query', $meta_query );

		$query->set( 'meta_type', 'DATETIME' );
		$query->set( 'orderby', 'meta_value' );
	    $query->set( 'order', 'ASC' );
		
		return $query;
	}
}
add_filter( 'pre_get_posts', 'dmc_training_cpt_pre_get_posts' );