With this script you can find the corresponding day of the week of any date between 1900 and 2050.
You can test this script in this example.
Select the date:
Day: Month: Year:
Here will be displayed the selected date, and the name of the day.

• To add this script in a web page, include the following code in the location where you want to display the form for this script:
<script type="text/javascript"><!--
// Get the day of the week - coursesweb.net/javascript/
// array with the name of the month
var month = new Array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December");

// array with the name of the days
var weekday = new Array("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday");

var startyear = "1900";      // first year in select list
var endyear = "2050";      // last year in select list

// adds in #weekday the selected date, and the name of the day
function getWeekDay() {
  // get the values of the selected date
  var month = document.daydate.smonths.options[document.daydate.smonths.selectedIndex].value;
  var day = document.daydate.sdays.options[document.daydate.sdays.selectedIndex].value;
  var year = document.daydate.birthyear.options[document.daydate.birthyear.selectedIndex].value;

  var obdate = new Date(year,month,day);           // object for selected date
  var nday = obdate.getDay();                     // the number of the day in the week

  document.getElementById('gweekday').innerHTML = 'The name of the day in: <i>'+day+'-'+(month*1 +1)+'-'+year+'</i> is: <b>'+ weekday[nday]+'</b>';
}
--></script>
<form name="daydate" style="text-align:center;" action="" method="post">
  <div align="center"><table style="text-align:center; background:#fbfbfe; padding:2px;" border="2" cellpadding="0" cellspacing="0">
  <tr>
    <td colspan="3" style="font-size:16px;">Select the date:</td>
  </tr>
  <tr>
    <td>Day: 
      <select name="sdays" size="1">
<script type="text/javascript"><!--
  for(var j=1;j<32;j++)
  document.write("<option value="+j+">"+j+"</option>");
--></script>
      </select></td>
    <td>Month: 
<select name="smonths" size="1">
<script type="text/javascript"><!--
  for(var i=0;i<month.length;i++)
  document.write("<option value="+i+">"+month[i]+"</option>");
--></script>
     </select></td>
    <td>Year: 
      <select name="birthyear" size="1">
<script type="text/javascript"><!--
  for(var k=startyear;k<endyear;k++)
  document.write("<option value="+k+">"+k+"</option>");
--></script>
    </select></td>
  </tr>
  </table>
  </div><div>
<div id="gweekday">Here will be displayed the selected date, and the name of the day.</div>
    <input value="Get the day" onclick="getWeekDay()" type="button">
  </div>
</form>

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Which attribute specifies the HTTP method (GET, POST) used to submit the form-data?
action method value
<form action="script.php" method="post"> ... </form>
Which CSS property allows to add shadow to boxes?
background-image box-shadow border-radius
#id {
  background-color: #bbfeda;
  box-shadow: 11px 11px 5px #7878da;
}
Which function removes the first element from an array?
pop() push() shift()
var fruits = ["apple", "apricot", "banana"];
fruits.shift();
alert(fruits.length);           // 2
Indicate the function that can be used to check if a PHP extension is instaled.
function() filetype() extension_loaded()
if(extension_loaded("PDO") === true) echo "PDO is available."
Find the Day of the Week

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