# Calculate Difference In Dates

Jul 23, 2005

For my website i would like to display the age of my son in years,
months, days and hours.

For now i manage to get a result for totals. Like the total number of
days.

This is the beginning:

starttime = Date.parse("Aug 10,2003, 07:07")
sdt = new Date(starttime)
starttime= Math.ceil((starttime) / 1000 / 60 / 60 / 24 )
ndt = new Date()

y = sdt.getYear()
m = sdt.getMonth() + 1
d = sdt.getDate()
h = starttime

## Calculate Difference Between Two Dates?

Mar 5, 2011

Calculating the difference between two dates in JavaScript is relatively straightforward, provided you choose the right Date methods to work with. Whichever way you get there. code...

## Calculate The Difference In Two Dates That Are In Different Formats?

Jun 17, 2010

How can you calculate the difference in two dates that are in different formats?

I have one date as: '2010-06-16 21:20:44.000'

and the other date as now = new Date();

I want to subtract the dates to see if it is over 30 days.

## Getting The Difference Of Two Dates?

May 1, 2010

Here is my problem, I am trying to get the difference of two different date. I want to get how much hour and second is their different. My problem is the 1st date is using a different format this is the example:2010-05-01 13:46:04 the second one is I am trying to get the today's time and date by using this code: "currentTime.getTime()". Here is my whole code

[Code]...

## Difference Between Two Dates?

Jun 1, 2009

I would like to know how to achieve this. I want to know the difference between two dates in months, how much days left over, and how much hours left over. I do not need days or hours equivalent to the months remaining. The problem is I also want it to consider February's less than 30 days and 29 days in leap year. I spend my entire week trying to figure out how to do it.

In the end I want values in variable months_left, days_left, and hours_left. I tried modifying several date deference scripts but I couldn't get them to work as intended.

## Calculating Difference Between Two Dates Using JS

Nov 10, 2006

I have two date fields (check in, check out) and "number of days"
field.

I want the script to calculate automatically the difference.
For example: I have defaults dates, and I want the script to put the
difference in "number of days" field. And if the user will change the
date, the number of days will change automatically.

## Getting The Date Difference Between 2 Dates?

May 25, 2011

How do I get the difference in days between 2 dates using Javascript?

## Finding Difference Between Dates

Jul 23, 2004

Code:
<script language = 'JavaScript'>
<!--
function checkDate()
{ var d1, d2
d1 = new Date(document.form1.date1.value)
d2 = new Date(document.form1.date2.value)

if (d2.getTime() < d1.getTime()) {
window.alert ("The end date can not be before the start date.")
return false } else { return true }
}
//-->
</script>
, where date2 is the end date and date1 is the start date.

& then I have put
PHP Code:

<form name='form1' action="<?=\$_SERVER['PHP_SELF']?>" ONSUBMIT = 'return checkDate()' method="post">

Each time I am doing submit, it is directly going to the alert, without checking the condition?

## Working Out The Difference Between Two Dates?

Nov 11, 2009

I am having trouble working out the difference between two dates.

[Code]...

This gives a value of 2,678,400,000 but the amount of milliseconds in a day is actually 86,400,000

## Js Function To Find The Difference Between Two Dates?

Apr 5, 2011

i've written a js function to find the difference between two dates. the format being used is dd/mm/yyyy hh:mm. The function returns correct value when give one set of values, but go wrong with another set. examples are given below.

set 1 : Time 1 = 24/02/2011 09:30 , time 2 = 24/02/2011 16:00

Output is corret here. It gives 6 Hours & 30 Minutes (after converting the difference)

set 2: Time 1 = 24/02/2011 09:30 , time 2 = 25/02/2011 16:00

Here, it gives 31 days, 6 Hours & 30 Minutes. My code is given below. Also the alert of dates display strange values. Don't know if it is timezone issue.

function compareDateTime(frmtime,totime)
{
var date1 = new Date(frmtime);
var date2 = new Date(totime);[code]......

## JQuery :: Calendar To Get Difference Between Two Dates And Split Up Variables

Oct 5, 2011

I'm working on redesign of a vacation rental company web site, and I'm looking to use a drop down calendar to select the arrival/departure date on the search form. getting the number of nights difference between dates (though I think the code/labels are slightly backward in that example), but I don't know where to start to split off the variables I need. Basically, the search.php file I'm passing the variables to need to be in this format:

Code:
search.php?month=(arrival month digit)&day=(arrival day digit)&year=(arrival year, 4 digits)&days_count=(number of nights)(...plus some other variables...)

how to split things off properly and get a properly formatted URL? I'll experiment a bit, and come back here with sample code

## Calculate Time Difference?

May 9, 2010

Please can u help? how would i get the total work hours between two times (8:30 to 5:30) from a web form.I tried just minusing one from the orther but it came back with "Nan"

## Calculate The Number Of Days Between Two Dates?

Sep 28, 2010

I want to calculate the number of days between two dates.

Date is in the below format:
First Date : 2010-09-27 05:00:00
Second Date : 2010-10-1 08:00:00

## Calculate The Time Difference And Return The Value Back To Jsp P?

May 24, 2010

I am trying to populate the javascript and want to return the value to the jsp page.. The function is like this.

function difference(startTime, endTime){
var starttime = document.getElementById(startTime).value;
var endtime = document.getElementById(endTime).value;

[code]....

## Calculate Number Of Weeks Between Two Selected Dates

Oct 25, 2010

I am new to Java scripts. But at my job, my boss asks me to come up with a calculator that calculates the number of weeks on our website. But I want two calenders where in the first one the user will select the start date and in the second one, the user will select the end date. And There will be one last button that says"calculate" and a text box to display the number of weeks.

## Get A Date And Time Picker That Will Only Allow To Choose Current Dates Instead Of Past Dates?

Aug 30, 2010

where I can get a Date and Time Picker that will only allow to choose current dates instead of past dates written in Javascript or JQuery?

## Difference Between 32 Bit And 64 Bit?

Mar 11, 2011

I have script function. It works perfectly in IE -9 32 bit machine.but the getting a run time error in IE - 9 64 bit machine.

## JQuery :: What's The Difference Between .eq() And :eq()

Oct 20, 2010

I'm studing the jquery API for .eq() and :eq() , As i read in the comments a user said :

I found that using this method instead of the inline string :eq() is faster.

Do these methods hava differences?and which are these differences?

## Testing Difference Between I+=1, I++, And ++i

Jul 16, 2009

i wrote a rough script to try and test which method of incrementation was faster: i+=1; i++; ++i;

[Code]...

## Difference Between JS And HTML?

Sep 8, 2011

I inherited an html demo (used to show customers our product w/o being connected to a server). Was going through the Html files to update the dates and fields and it seems that on some html files, when I change a date <td>08/11/2008 </td> to <td>08/11/2011</td>, save and refesh, I start getting a bunch of JS errors when I try and log back into the demo. I'm not changing anything in the JS files, so I don't understand why the errors are occuring.

I have a bunch of html files to change, and now, no matter which file I change (the dates, sample names, etc), I lose functionality on that particular page.

## Difference Between DOM And DHTML?

Aug 23, 2009

What is the difference between DOM, Javascript and DHTML?

Alert() and document.write() is a DOM method or Javascript method?

## Two Mouseovers With A Difference...

Oct 22, 2002

document.write("<td><a href=clips/"+genericname+".mpg document."+genericname+".dynsrc='clips/"+genericname+"mpg' src=logos/"+genericname+".jpg name="+genericname+" border=0></a></td>");

This line is meant to be used in conjunction with a loop routine in <script> brackets within the main <body>. What it should do is display a file pictures and then play its mpg file on a mouseover, for a generic filename that can be changed. That i can do. The problem is within the line ...

document."+genericname+".dynsrc='clips/"+genericname+"mpg'

Here i want to play the mpg and keep its height at 75. The problem is that it doesn't work. I think that the two document strings should be surrounded by "...

document."+genericname+".height=&#3975;' document."+genericname+".dynsrc='clips/"+genericname+"mpg' "

However because i'm using the "+genericname+" command within the line, i can't use " to surround the two document strings. I've tried to do it as a function, but i can't get it to work as a generic function.

## Difference Between Firefox And IE?

Aug 4, 2005

I have specific requirement in web development. I am Programmer Analyst in .Net, would like to know the difference between Firefox and IE6.0.Some of the Javascript will not execute in Firefox Does any one have better idea about this

## Dates

Jul 23, 2005

This problem seems to occur dependant on the computer system settings.
I have no issues when the system date is set as M/d/yyyy but I do
have a problem with the system date set as d/M/yyyy.

I have a text box on a web page that holds the date ie)
document.frmTimesheet.tWeekFrom.value = 19/12/2004

theDate = new Date(document.frmTimesheet.tWeekFrom.value);

// split into day, month, year
iDay = theDate.getDate();
iMonth = theDate.getMonth()+1;
iYear = theDate.getFullYear();

iday= 12
iMonth= 07
iYear= 2005

## Split Or Regex Difference Between FF And IE

Jul 23, 2005

I don't know where the actual issue is, but hopefully someone can explain.

The following displays "5" in FireFox, but "3" in IE:

<script type="text/javascript" language="javascript">
var newString = ",a,b,c,";
var treeArray = newString.split(/,/i);

</script>

## New Property Difference Between IE And Firefox

Oct 14, 2006

Can someone please explain why the following code works in IE but not firefox please.
In ie I get an alert box with "mynewprop" but in Firefox I get "undefined"....