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Javascript Age Calculator

 This Javascript Age calculator is used to calculate your age.This age calculator is used to calculate the age,number of days and seconds from the given date or from the day your birth.

a) Age calculator is used to calculate the age.
b) This is free javascript calculator.
c) Copy the code from given textarea and to use this calculator.


Date  Month  Year

You have been living for:
In months:
In days:
In hours:
In minutes:
Your next birthday will be in:

Javascript Code
<!-- Script by -->
<!-- Copyright of HIOXINDIA -->
<!-- More scripts -->
<script type="text/javascript">
var startyear = "1950";
var endyear = "2010";
var dat = new Date();
var curday = dat.getDate();
var curmon = dat.getMonth()+1;
var curyear = dat.getFullYear();
function checkleapyear(datea)
	if(datea.getYear()%4 == 0)
		if(datea.getYear()% 10 != 0)
			return true;
			if(datea.getYear()% 400 == 0)
				return true;
				return false;
  return false;
function DaysInMonth(Y, M) {
    with (new Date(Y, M, 1, 12)) {
        return getDate();
function datediff(date1, date2) {
    var y1 = date1.getFullYear(), m1 = date1.getMonth(), d1 = date1.getDate(),
	 y2 = date2.getFullYear(), m2 = date2.getMonth(), d2 = date2.getDate();
    if (d1 < d2) {
        d1 += DaysInMonth(y2, m2);
    if (m1 < m2) {
        m1 += 12;
    return [y1 - y2, m1 - m2, d1 - d2];
function calage()
  var calday =[].value;
  var calmon = document.birthday.month.options[document.birthday.month.selectedIndex].value;
  var calyear = document.birthday.year.options[document.birthday.year.selectedIndex].value;
	if(curday == "" || curmon=="" || curyear=="" || calday=="" || calmon=="" || calyear=="")
		alert("please fill all the values and click go -");
		var curd = new Date(curyear,curmon-1,curday);
		var cald = new Date(calyear,calmon-1,calday);
		var diff =  Date.UTC(curyear,curmon,curday,0,0,0) - Date.UTC(calyear,calmon,calday,0,0,0);
		var dife = datediff(curd,cald);
		document.birthday.age.value=dife[0]+" years, "+dife[1]+" months, and "+dife[2]+" days";
		var monleft = (dife[0]*12)+dife[1];
		var secleft = diff/1000/60;
		var hrsleft = secleft/60;
		var daysleft = hrsleft/24;
		document.birthday.months.value=monleft+" Month since your birth";	
		document.birthday.daa.value=daysleft+" days since your birth";	
		document.birthday.hours.value=hrsleft+" hours since your birth";
		document.birthday.min.value=secleft+" minutes since your birth";
		var as = parseInt(calyear)+dife[0]+1;
		var diff =  Date.UTC(as,calmon,calday,0,0,0) - Date.UTC(curyear,curmon,curday,0,0,0);
		var datee = diff/1000/60/60/24;
		document.birthday.nbday.value=datee+" days left for your next birthday";	
<!--     Script by -->

<form name="birthday">
Date<select name="day" size="1">
<script type="text/javascript">
for(var j=1;j<32;j++)
document.write("<option value="+j+">"+j+"</option>");
Month<select name="month" size="1">
<script type="text/javascript">
for(var i=1;i<13;i++)
document.write("<option value="+i+">"+i+"</option>");
Year<select name="year" size="1">
<script type="text/javascript">
for(var k=startyear;k<endyear;k++)
document.write("<option value="+k+">"+k+"</option>");
<input name="start" onclick="calage()" value="Calculate" type="button"><br>
<input name="age" size="40" value="Result"><br>
You have been living for:<br>
<table style="border:solid green 1px"> <tr><td>In months:</td><td><input name="months" size="30"></td></tr> <tr><td>In days:</td><td><input name="daa" size="30"></td></tr> <tr><td>In hours:</td><td><input name="hours" size="30"></td></tr> <tr><td>In minutes:</td><td><input name="min" size="30"></td></tr> <tr><td colspan=2>Your next birthday will be in:</td></tr> <tr><td colspan=2><input name="nbday" size="40"><a href="" style="color:#3D366F;text-decoration:none;cursor:pointer;font-size:10px"></a></td></tr> </table> </form>

Release Date - 07-04-2008
Get free version without ©copyright link for just 5 price

For customization of this script or any script development, contact us at

 a) Copy the above Javascript in your HTML file.
 b) Create HTML form using the above HTML code.
 c)The function calage() is used for finding the age. The result displays how many days you have lived for in months,days,hours and minutes.
 d) Copy the code into your page and to use this calculator.

- The javascript (misspelled as java script) is given under GPL License
- i.e. Free use for those who use the codes as it is.
- Free, if your modification does not remove our copyright information and links.
- Click Here for detailed license information.
- You can purchase the script if your requirements does not meet our GPL License terms.
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