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JavaScript | date.toUTCString() function

The date.toUTCString() is an inbuilt function in JavaScript which is used to convert the given date object’s contents into a string according to universal time zone UTC.The date object is created using date() constructor.

Syntax:

dateObj.toUTCString()

Note: In the above syntax, DateObj is a valid Date object created using Date() conctructor whose contents are converted into string.

    Parameters:

  • This function does not take any parameter. It is just used along with a Date object created using Date() constructor whose contents are converted into string.
  • Return Values:



  • It returns the converted string according to universal time zone UTC.

Below program illustrate the date.toUTCString() function:-

<script>
  
// Here a date has been assigned
// while creating Date object
var dateobj = new Date('October 15, 1996 05:35:32');
  
// Contents of above date object is converted
// into a string using toUTCString() function.
var B = dateobj.toUTCString();
  
// Printing the converted string.
document.write(B);
</script>

Output:

> "Tue, 15 Oct 1996 00:05:32 GMT"


    Exceptional cases associated within this function:

  1. Here nothing as a parameter is passed while creating date object but still toUTCString() function return current day name, month name, date, year and time according to universal time zone UTC.
    <script>
      
    // Here nothing has been assigned
    // while creating Date object
    var dateobj = new Date();
      
    // Contents of above date object 
    // is converted into a string 
    // using toUTCString() function.
    var B = dateobj.toUTCString();
      
    // Printing the converted string.
    document.write(B);
    </script>

    Output:

    > "Wed, 18 Apr 2018 08:30:48 GMT"
  2. When some random list of values is passed then toUTCString() function return the corresponding produced string.
    The format for Date() constructor is like Date(month, date, year, time).By following this format some values are given in the below program and corresponding string is produced as output.Time format should be like (number:number:number) If time does not lie in this format, it gives output as an Invalid date.

    <script>
      
    // Here some different values has been
    // assigned while creating Date object
    var dateobj1 = new Date('1');
    var dateobj2 = new Date('2, 3');
    var dateobj3 = new Date('4, 5, 6');
    var dateobj4 = new Date('7, 8, 3, 4');
    var dateobj5 = new Date('4, 5, 6, 11:00:12');
    var dateobj6 = new Date('12, 5, 4, 0:0');
      
    // Contents of above date objects is converted
    // into strings using toUTCString() function.
    var B = dateobj1.toUTCString();
    var C = dateobj2.toUTCString();
    var D = dateobj3.toUTCString();
    var E = dateobj4.toUTCString();
    var F = dateobj5.toUTCString();
    var G = dateobj6.toUTCString();
      
    // Printing the converted string.
    document.write(B + "<br>");
    document.write(C + "<br>");
    document.write(D + "<br>");
    document.write(E + "<br>");
    document.write(F + "<br>");
    document.write(G + "<br>");
    </script>                    

    Output:

    > "Sun, 31 Dec 2000 18:30:00 GMT"
    > "Fri, 02 Feb 2001 18:30:00 GMT"
    > "Tue, 04 Apr 2006 18:30:00 GMT"
    > "Invalid Date"
    > "Wed, 05 Apr 2006 05:30:12 GMT"
    > "Sat, 04 Dec 2004 18:30:00 GMT"


This article is attributed to GeeksforGeeks.org

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