> For the complete documentation index, see [llms.txt](https://documentation.astera.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.astera.com/astera-data-stack-v6/functions/date-time/week-datetimewithoffset-datetime.md).

# Week (DateTimeWithOffset dateTime)

| **Name**    | ***Week with Offset***                                                                    |
| ----------- | ----------------------------------------------------------------------------------------- |
| Syntax      | Week (DateTimeWithOffset dateTime)                                                        |
| Purpose     | To get week part of the specified date time offset value.                                 |
| Description | Returns the week part of the specified date time offste value. Returns 0 if date is null. |
| Return Type | Int32                                                                                     |
| Parameter   | dateTime \[System.DateTimeOffset] – Date for which the week will be returned              |

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/0%20\(214\).png)

**Example**

In this example, we will pass a date time offset value to the function transformation object using a *Variables* object.

Where,

*dateTime* = 02/01/2020

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/1%20\(214\).png)

In the output window, you can see that the week part of the provided date time offset value has been returned.

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/2%20\(212\).png)


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://documentation.astera.com/astera-data-stack-v6/functions/date-time/week-datetimewithoffset-datetime.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.