/**
 * Show formated date from post meta in admin columns
 *
 * $meta_key - custom field to get date from
 * $format   - date format
 */
function jet_admin_column_date( $column, $post_id ) {

	$meta_key = '_date';
	$format = 'F, j Y';
	$date   = get_post_meta( $post_id, $meta_key, true );

	if ( ! $date ) {
		return '--';
	} else {
		return date_i18n( $format, $date );
	}

}