# Age (DateTimeOffset) | **Name** | ***Age With Offset*** | | ----------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Syntax | Age (DateTimeWithOffset start, DateTimeWithOffset end, Integer interval) | | Purpose | To compute the difference between two specified date time offset values, based on interval type (year, Month etc.) provided in integer form. | | Description | Compute the difference between two dates and return age in a specified interval. Valid values for interval: 1=Year, 2=Month, 3=Week, 4=Day, 5=Hour, 6=Minute, or 7=Second | | Return Type | Int64 | | Parameters |

start \[System.DateTimeOffset]

end \[System.DateTimeOffset]

interval \[System.Int32]

| ![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/0%20\(99\).png) **Example** In this example, we will pass date time offset values, and an integer value (indicating a specific interval) to the function transformation object using a *Variables* object. Where, *start* = 01/03/2022 *end* = 06/06/2022 *interval (3=week)* = 3 ![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/1%20\(100\).png) In the output window, you can see that the provided interval value, indicating weeks, has been used to compute the age between the two specified date time offset values.