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# WeekdayName

> Use the Sigma WeekdayName function to evaluate a specified date and return the day of the week by name (Sunday, Monday, Tuesday, etc.).

The **WeekdayName** function evaluates a specified date and returns the day of the week by name (Sunday, Monday, Tuesday, etc.).

## Usage

```
WeekdayName(date)
```

Function arguments:

* **date** (required) - a date or a column containing date values from which the weekday name is determined

## Examples

```
WeekdayName(Date("2007-08-14"))
```

Evaluates the specified date and returns `Tuesday` to represent the day of the week.

```
WeekdayName([Date])
```

Evaluates the date values in the *Date* column and returns the weekday name for each date.

![](https://fdr-prod-docs-files-public.s3.us-east-1.amazonaws.com/sigma.docs.buildwithfern.com/636b592f45c036ab6164e4fc3abb4baa2699ea47ec427e15f9a33fa6a30ff414/assets/docs-images/036005a-Screen_Shot_2021-10-29_at_3.39.07_PM.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6KXJSKKNFOCF7G4B%2F20260727%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20260727T041345Z&X-Amz-Expires=604800&X-Amz-Signature=0a94305f8140ca57830edb505d6368ddda5aebf767c07fb6851eb2a4fd54ba8a&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)

## Related resources

* [DatePart](/docs/datepart)
* [Weekday](/docs/weekday)
* <a href="https://quickstarts.sigmacomputing.com/guide/common_date_functions/index.html" target="_blank" rel="noopener noreferrer">
    Quickstart: Common date functions and use cases
  </a>