Ever need to create a query within WordPress to show posts only before or after a certain date? In a recent project – we needed to set up a page that showed only posts after January 1, 2015, and then another with posts from before that date only in order to make a clear separation between recent/archived posts. Fortunately – this was easy by using the code below:

Using “After this date… logic

$args = array(
   'date_query' => array(
      array(
         'after'    => array(
            'year'  => 2015,
            'month' => 1,
            'day'   => 1,
         ),
         'inclusive' => true,
      )
); 
$query = new WP_Query( $args );

Note: inclusive is used for after/before, whether exact value should be matched or not.

Next time you need to do a date query – make sure you check out the date_query option which makes these sorts of queries nice and easy.

Full documentation: http://codex.wordpress.org/Class_Reference/WP_Query#Date_Parameters