# DateDifferenceMonths (DateTime)

| **Name**    | ***DateDifferenceMonths***                                                                                                                                |
| ----------- | --------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Syntax      | DateDifferenceMonths (Date leftDate, Date rightDate)                                                                                                      |
| Purpose     | To compute the difference between the specified dates in months.                                                                                          |
| Description | Returns difference between the specified dates in months by dividing number of days by 30.4375.                                                           |
| Return Type | Double                                                                                                                                                    |
| Parameters  | <p>leftDate \[System.DateTime] – Date from which the other date will be subtracted</p><p>rightDate \[System.DateTime] – Date which will be subtracted</p> |

![](https://3083465318-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FsR50Wa7EwZGlmPSAMkkf%2Fuploads%2FwnelEGt38nldXk2Neox5%2F0.png?alt=media)

**Example**

In this example, we will pass date time values to be subtracted to the function transformation object using a *Variables* object.

Where,

*leftDate* = 01/01/2023

*rightDate* = 01/02/2022

<figure><img src="https://3083465318-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FsR50Wa7EwZGlmPSAMkkf%2Fuploads%2FW2uyxUBSOP7PS5wkeLpt%2F1.png?alt=media" alt=""><figcaption></figcaption></figure>

In the output window, you can see that the difference between the provided datetime values has been displayed in the form of months.

![](https://3083465318-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FsR50Wa7EwZGlmPSAMkkf%2Fuploads%2F1v6ImPUtkp6dPFvSwGKI%2F2.png?alt=media)