// JavaScript Document

function worldClock(zone, region){
var dst = 0
var time = new Date()
var gmtMS = time.getTime() + (time.getTimezoneOffset() * 60000)
var gmtTime = new Date(gmtMS)
var day = gmtTime.getDate()
var month = gmtTime.getMonth()
var year = gmtTime.getYear()

if(year < 1000){
year += 1900
}
var monthArray = new Array("January", "February", "March", "April", "May", "June", "July", "August", 
				"September", "October", "November", "December")
var monthDays = new Array("31", "28", "31", "30", "31", "30", "31", "31", "30", "31", "30", "31")
if (year%4 == 0){
monthDays = new Array("31", "29", "31", "30", "31", "30", "31", "31", "30", "31", "30", "31")
}
if(year%100 == 0 && year%400 != 0){
monthDays = new Array("31", "28", "31", "30", "31", "30", "31", "31", "30", "31", "30", "31")
}

//var hr = gmtTime.getHours() + zone
	var hr = gmtTime.getHours() + zone
	var min = gmtTime.getMinutes()
	var sec = gmtTime.getSeconds()
	
	


	if (hr >= 24)
	{
		hr = hr-24
		day -= -1
	}
	
	if (hr < 0)
	{
		hr -= -24
		day -= 1
	}
	
	if (hr < 10)
	{
		hr = " " + hr
	}
	if (hr >= 12)
	{
		AorP="P.M.";
	}
	
	if (hr <= 12)
	{
		AorP="A.M.";
	}
	if(hr >= 13)
	{
		hr -= 12
	}
	
	
	

	
	
	if (min < 10)
	{
		min = "0" + min
	}
	
	if (sec < 10)
	{
		sec = "0" + sec
	}

	if (day <= 0)
	{
		if (month == 0)
		{
			month = 11
			year -= 1
		}
		
		else
		{
			month = month -1
		}
		
		day = monthDays[month]
	}
	
	if(day > monthDays[month])
	{
		day = 1
		
		if(month == 11)
		{
			month = 0
			year -= -1
		}
		
		else
		{
			month -= -1
		}
	}

	if (region == "NAmerica")
	{
		
		var startDST = new Date()
		var endDST = new Date()
		startDST.setMonth(3)
		startDST.setHours(2)
		startDST.setDate(1)
		
		var dayDST = startDST.getDay()
		if (dayDST != 0)
		{
			startDST.setDate(8-dayDST)
		}
		else
		{
			startDST.setDate(1)
		}
		endDST.setMonth(9)
		endDST.setHours(1)
		endDST.setDate(31)
		dayDST = endDST.getDay()
		endDST.setDate(31-dayDST)
		var currentTime = new Date()
		currentTime.setMonth(month)
		currentTime.setYear(year)
		currentTime.setDate(day)
		currentTime.setHours(hr)
		if(currentTime >= startDST && currentTime < endDST){
			dst = 1
			}
	}
	if (region == "Europe"){
		var startDST = new Date()
		var endDST = new Date()
		startDST.setMonth(2)
		startDST.setHours(1)
		startDST.setDate(31)
		var dayDST = startDST.getDay()
		startDST.setDate(31-dayDST)
		endDST.setMonth(9)
		endDST.setHours(0)
		endDST.setDate(31)
		dayDST = endDST.getDay()
		endDST.setDate(31-dayDST)
		var currentTime = new Date()
		currentTime.setMonth(month)
		currentTime.setYear(year)
		currentTime.setDate(day)
		currentTime.setHours(hr)
		if(currentTime >= startDST && currentTime < endDST){
			dst = 1
			}
	}

	if (region == "SAmerica"){
		var startDST = new Date()
		var endDST = new Date()
		startDST.setMonth(9)
		startDST.setHours(0)
		startDST.setDate(1)
		var dayDST = startDST.getDay()
		if (dayDST != 0){
			startDST.setDate(22-dayDST)
			}
			else{
			startDST.setDate(15)
			}
		endDST.setMonth(1)
		endDST.setHours(11)
		endDST.setDate(1)
		dayDST = endDST.getDay()
		if (dayDST != 0){
			endDST.setDate(21-dayDST)
			}
			else{
			endDST.setDate(14)
			}
		var currentTime = new Date()
		currentTime.setMonth(month)
		currentTime.setYear(year)
		currentTime.setDate(day)
		currentTime.setHours(hr)
		if(currentTime >= startDST || currentTime < endDST){
			dst = 1
			}
	}
	if (region == "Cairo"){
		var startDST = new Date()
		var endDST = new Date()
		startDST.setMonth(3)
		startDST.setHours(0)
		startDST.setDate(30)
		var dayDST = startDST.getDay()
		if (dayDST < 5){
			startDST.setDate(28-dayDST)
			}
			else {
			startDST.setDate(35-dayDST)
			}
		endDST.setMonth(8)
		endDST.setHours(11)
		endDST.setDate(30)
		dayDST = endDST.getDay()
		if (dayDST < 4){
			endDST.setDate(27-dayDST)
			}
			else{
			endDST.setDate(34-dayDST)
			}
		var currentTime = new Date()
		currentTime.setMonth(month)
		currentTime.setYear(year)
		currentTime.setDate(day)
		currentTime.setHours(hr)
		if(currentTime >= startDST && currentTime < endDST){
			dst = 1
			}
	}
	if (region == "Israel"){
		var startDST = new Date()
		var endDST = new Date()
		startDST.setMonth(3)
		startDST.setHours(2)
		startDST.setDate(1)
		endDST.setMonth(8)
		endDST.setHours(2)
		endDST.setDate(25)
		dayDST = endDST.getDay()
		if (dayDST != 0){
		endDST.setDate(32-dayDST)
		}
		else{
		endDST.setDate(1)
		endDST.setMonth(9)
		}
		var currentTime = new Date()
		currentTime.setMonth(month)
		currentTime.setYear(year)
		currentTime.setDate(day)
		currentTime.setHours(hr)
		if(currentTime >= startDST && currentTime < endDST){
			dst = 1
			}
	}
	if (region == "Beirut"){
		var startDST = new Date()
		var endDST = new Date()
		startDST.setMonth(2)
		startDST.setHours(0)
		startDST.setDate(31)
		var dayDST = startDST.getDay()
		startDST.setDate(31-dayDST)
		endDST.setMonth(9)
		endDST.setHours(11)
		endDST.setDate(31)
		dayDST = endDST.getDay()
		endDST.setDate(30-dayDST)
		var currentTime = new Date()
		currentTime.setMonth(month)
		currentTime.setYear(year)
		currentTime.setDate(day)
		currentTime.setHours(hr)
		if(currentTime >= startDST && currentTime < endDST){
			dst = 1
			}
	}
	if (region == "Baghdad"){
		var startDST = new Date()
		var endDST = new Date()
		startDST.setMonth(3)
		startDST.setHours(3)
		startDST.setDate(1)
		endDST.setMonth(9)
		endDST.setHours(3)
		endDST.setDate(1)
		dayDST = endDST.getDay()
			var currentTime = new Date()
		currentTime.setMonth(month)
		currentTime.setYear(year)
		currentTime.setDate(day)
		currentTime.setHours(hr)
		if(currentTime >= startDST && currentTime < endDST){
			dst = 1
			}
	}
	if (region == "Australia"){
		var startDST = new Date()
		var endDST = new Date()
		startDST.setMonth(9)
		startDST.setHours(2)
		startDST.setDate(31)
		var dayDST = startDST.getDay()
		startDST.setDate(31-dayDST)
		endDST.setMonth(2)
		endDST.setHours(2)
		endDST.setDate(31)
		dayDST = endDST.getDay()
		endDST.setDate(31-dayDST)
		var currentTime = new Date()
		currentTime.setMonth(month)
		currentTime.setYear(year)
		currentTime.setDate(day)
		currentTime.setHours(hr)
		if(currentTime >= startDST || currentTime < endDST){
			dst = 1
			}
	}

	
	if (dst == 1)
	{
		hr -= -1
		if (hr >= 24)
		{
			hr = hr-24
			day -= -1
		}
		
		if (hr < 10)
		{
			hr = " " + hr
		}
		
		if(day > monthDays[month])
		{
			day = 1
			if(month == 11){
			month = 0
			year -= -1
		}
		
		else
		{
			month -= -1
		}
	}
//return monthArray[month] + " " + day + ", " + year + "<br>" + hr + ":" + min + ":" + sec + " DST"
	return   hr + ":" + min + ":" + sec + " " + AorP
}

else
{
//return monthArray[month] + " " + day + ", " + year + "<br>" + hr + ":" + min + ":" + sec
return  hr + ":" + min + ":" + sec + " " + AorP
}

}

function worldClockZone(){
//document.getElementById("GMT").innerHTML = worldClock(0, "Greenwich")
//document.getElementById("Vancouver").innerHTML = worldClock(-8, "NAmerica")
//document.getElementById("SanFrancisco").innerHTML = worldClock(-8, "NAmerica")
//document.getElementById("Seattle").innerHTML = worldClock(-8, "NAmerica")
//document.getElementById("LosAngeles").innerHTML = worldClock(-8, "NAmerica")
//document.getElementById("Denver").innerHTML = worldClock(-7, "NAmerica")
//document.getElementById("MexicoCity").innerHTML = worldClock(-6, "NAmerica")
document.getElementById("Houston").innerHTML = worldClock(-6, "NAmerica")
//document.getElementById("Minneapolis").innerHTML = worldClock(-6, "NAmerica")
//document.getElementById("NewOrleans").innerHTML = worldClock(-6, "NAmerica")
//document.getElementById("Chicago").innerHTML = worldClock(-6, "NAmerica")
//document.getElementById("Montgomery").innerHTML = worldClock(-6, "NAmerica")
//document.getElementById("Indianapolis").innerHTML = worldClock(-5, "NAmerica")
//document.getElementById("Atlanta").innerHTML = worldClock(-5, "NAmerica")
//document.getElementById("Detroit").innerHTML = worldClock(-5, "NAmerica")
//document.getElementById("Miami").innerHTML = worldClock(-5, "NAmerica")
//document.getElementById("WashingtonDC").innerHTML = worldClock(-5, "NAmerica")
//document.getElementById("Philadelphia").innerHTML = worldClock(-5, "NAmerica")
//document.getElementById("NewYork").innerHTML = worldClock(-5, "NAmerica")
//document.getElementById("Montreal").innerHTML = worldClock(-5, "NAmerica")
//document.getElementById("Boston").innerHTML = worldClock(-5, "NAmerica")
//document.getElementById("BuenosAires").innerHTML = worldClock(-3, "BuenosAires")
document.getElementById("SaoPaulo").innerHTML = worldClock(-3, "SAmerica")
//document.getElementById("RioDeJaneiro").innerHTML = worldClock(-3, "SAmerica")
//document.getElementById("Lisbon").innerHTML = worldClock(0, "Europe")
//document.getElementById("Dublin").innerHTML = worldClock(0, "Europe")
//document.getElementById("London").innerHTML = worldClock(0, "Europe")
//document.getElementById("Madrid").innerHTML = worldClock(1, "Europe")
//document.getElementById("Barcelona").innerHTML = worldClock(1, "Europe")
//document.getElementById("Paris").innerHTML = worldClock(1, "Europe")
//document.getElementById("Brussels").innerHTML = worldClock(1, "Europe")
document.getElementById("Amsterdam").innerHTML = worldClock(1, "Europe")
//document.getElementById("Frankfurt").innerHTML = worldClock(1, "Europe")
//document.getElementById("Rome").innerHTML = worldClock(1, "Europe")
//document.getElementById("Berlin").innerHTML = worldClock(1, "Europe")
//document.getElementById("Prague").innerHTML = worldClock(1, "Europe")
//document.getElementById("Vienna").innerHTML = worldClock(1, "Europe")
//document.getElementById("Stockholm").innerHTML = worldClock(1, "Europe")
//document.getElementById("Athens").innerHTML = worldClock(2, "Europe")
//document.getElementById("Helsinki").innerHTML = worldClock(2, "Europe")
//document.getElementById("Minsk").innerHTML = worldClock(2, "Europe")
//document.getElementById("Istanbul").innerHTML = worldClock(2, "Europe")
//document.getElementById("Cairo").innerHTML = worldClock(2, "Cairo")
//document.getElementById("Jerusalem").innerHTML = worldClock(2, "Israel")
//document.getElementById("Beirut").innerHTML = worldClock(2, "Beirut")
//document.getElementById("Moscow").innerHTML = worldClock(3, "Europe")
//document.getElementById("Baghdad").innerHTML = worldClock(3, "Baghdad")
//document.getElementById("Dubai").innerHTML = worldClock(4, "Dubai")
//document.getElementById("Bangkok").innerHTML = worldClock(7, "Bangkok")
//document.getElementById("Jakarta").innerHTML = worldClock(7, "Jakarta")
//document.getElementById("HongKong").innerHTML = worldClock(8, "HongKong")
//document.getElementById("Beijing").innerHTML = worldClock(8, "Beijing")
document.getElementById("Shanghai").innerHTML = worldClock(8, "Shanghai")
//document.getElementById("Seoul").innerHTML = worldClock(9, "Seoul")
document.getElementById("Tokyo").innerHTML = worldClock(9, "Tokyo")
//document.getElementById("Melbourne").innerHTML = worldClock(10, "Australia")
//document.getElementById("Sydney").innerHTML = worldClock(10, "Australia")
//document.getElementById("Brisbane").innerHTML = worldClock(10, "Brisbane")
//document.getElementById("Vladivostok").innerHTML = worldClock(10, "Europe")
//document.getElementById("Kamchatka").innerHTML = worldClock(12, "Europe")

setTimeout("worldClockZone()", 1000)
}
window.onload=worldClockZone;

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