YokiToki

<?php
// Using: php -f timezone.php
$last_date = '';
$time = time();

for ($i=0; $i < $time; $i+=86400) {
	$date = date('O', $i);
	if($date !== $last_date) {
		echo "|\n";
		echo "|-> ".date(DATE_RFC2822, $i)."\n";

YokiToki

// Using: node timezone.js
var date;
var lastDate = new Date(-1);
var time = (new Date()).getTime();

for (var i = 0; i < time; i+=(86400 * 1000)) {
	date = new Date(i);
	if(date.getTimezoneOffset() !== lastDate.getTimezoneOffset()) {
		console.log("|");
		console.log("|-> %s", date);

YokiToki

#include <SoftwareSerial.h>
SoftwareSerial SIM900(7, 8);

char incoming_char=0;
String inputString = "";         // a string to hold incoming data
boolean stringComplete = false;  // whether the string is complete

void setup()
{
  Serial.begin(19200); // for serial monitor