PHP Sandbox from Brad Traversy. From the youtube series ''PHP Front To Back"
<?php
	//echo date('d');		// Day
	//echo date('m');		// Month
	//echo date('Y');		// Year
	//echo date('l');		// Day of the week
	//echo date('Y/m/d');
	//echo date('m-d-Y');
	//echo date('h');	// Hour
	//echo date('i');	// Min
	//echo date('s');	// Seconds
	//echo date('a');	// AM or PM
	// Set Time Zone
	date_default_timezone_set('America/New_York');
	//echo date('h:i:sa');
	/*
	Unix timestamp is a long integer containing the number of seconds between the Unix Epoch (January 1 1970 00:00:00 GMT) and the time specified.
	*/
	$timestamp = mktime(10, 14, 54, 9, 10, 1981);
	//echo $timestamp;
	//echo date('m/d/Y h:i:sa', $timestamp);
	$timestamp2 = strtotime('7:00pm March 22 2016');
	$timestamp3 = strtotime('tomorrow');
	$timestamp4 = strtotime('next Sunday');
	$timestamp5 = strtotime('+2 Days');
	//echo $timestamp2;
	echo date('m/d/Y h:i:sa', $timestamp5);
?>