JavaScript Date getHours() Method

Below is the example of Date getHours() method.

Example:

<script> 
  // Here a date has been assigned  
  // while creating Date object 
  var A = new Date('October 15, 1996 05:35:32'); 
  
  // hour from above is being  
  // extracted using getHours() 
  var B = A.getHours(); 
  
  // Printing hour. 
  document.write(B); 
</script> 

Output:
```
5
```

The date.getHours() method is used to return the hours from a given Date object.

Syntax:

DateObject.getHours()

Parameter: This method does not accpt any parameter.

Return values: It returns the Hours for the given Date object. Hours is an integer value ranging from 0 to 23.

More codes for the above method are as follows:

Program 1: If hours is not given, it returns zero (0). It is an exception case.

<script> 
  // Creating a Date object 
  var A = new Date('October 12, 1996'); 
  
  // extracting hours from the date object 
  var B = A.getHours(); 
  
  // Printing hour. 
  document.write(B); 
</script> 

Output:

Program 2: Here the date of the month must lie in between 1 to 31 because no date can have month greater than 31. That is why it returns NaN i.e, Not a Number if the month in the Date object is greater than 31. Hours will not have existed when the date of the month given as 33 i.e, greater than 31.

<script> 
  // Creating a Date object 
  var A = new Date('October 35, 1996 12:35:32'); 
  
  var B = A.getHours(); 
  
  // Printing hour. 
  document.write(B); 
</script> 

Output:

NaN

Program 3: If nothing as parameter is given, it returns present hours.

<script> 
  // Creating a Date object 
  var A = new Date(); 
  
  var B = A.getHours(); 
  
  // Printing present hour. 
  document.write(B); 
</script> 

Output:

Supported Browsers: The browsers supported by JavaScript Date getHours() method are listed below:

Google Chrome
Internet Explorer
Mozilla Firefox
Opera
Safari

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