manipulating the date info for WP_Query

time-query-quirk.php

<?php
// first get two related time settings
$zone = get_option('timezone_string');
$gmto = get_option('gmt_offset');

// is it a name based timezone selection? then create the offset
if (!empty($zone)) {

	$zone	= new DateTimeZone($zone);
	$offs	= $zone->getOffset(new DateTime);
	$offs	= $offs * -1;

// using old school UTC offset? fine then. be that way.
} else {

	$offs	= ( ($gmto * 3600) * -1 );

}
	// get my server time
	$now	= time();

	// calculate my offset
	$stamp	= ($now - $offs);

	// get my integer values
	$d = date('d', $stamp);
	$m = date('m', $stamp);
	$y = date('Y', $stamp);

	$args = array(
		'day'	=> $d,
		'month'	=> $m,
		'year'	=> $y
		);
	$posts = get_posts( $args );

	print_r($posts);