<?php
	header('Content-Type: application/json');

	$ip = $_SERVER['REMOTE_ADDR'];
	
	$timezn = geoip_time_zone_by_country_and_region(geoip_country_code_by_name($ip));
	
	if($timezn == "")
	{
		echo '{"timezone":"11"}';
		exit;
	}

	$time = new DateTime('now', new DateTimeZone($timezn));
	$timezoneOffset = $time->format('P');
	$DST = $time->format('I');
	
	if (strpos($timezoneOffset , '-') !== FALSE)
	{
		$str = intval(substr($timezoneOffset, 1, 2));
		$arrayval = 11 - $str;
		//check DST
		if($DST)
			$arrayval -= 1;
		
		echo '{"timezone":"' . $arrayval . '"}';
	}
	else if (strpos($timezoneOffset , '+') !== FALSE)
	{
		$str = intval(substr($timezoneOffset, 1, 2));
		$arrayval = 11 + $str;
		//check DST
		if($DST)
			$arrayval -= 1;
		
		echo '{"timezone":"' . $arrayval . '"}';
	}
	else
	{
		echo '{"timezone":"11"}';
	}
?>