> For the complete documentation index, see [llms.txt](https://docs.ladybug.tools/hb-radiance-primer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ladybug.tools/hb-radiance-primer/components/2_lightsources/cie_standard_sky.md).

# CIE Standard Sky

![](https://2572426507-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Ma9X8PomX22wWVDNCoj%2Fuploads%2Fgit-blob-e23bf2ff968d6798479a647814d607585a0cb4df%2FCIE_Standard_Sky.png?alt=media)

![](https://2572426507-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Ma9X8PomX22wWVDNCoj%2Fuploads%2Fgit-blob-aef2445aa06356679e2f6776a99ad97a68dcea5c%2FCIE_Standard_Sky.png?alt=media) - [\[source code\]](https://github.com/ladybug-tools/honeybee-grasshopper-radiance/blob/master/honeybee_grasshopper_radiance/src//HB%20CIE%20Standard%20Sky.py)

Create a point-in-time standard Radiance CIE sky.

### Inputs

* #### north

A number between 0 and 360 that represents the degrees off from the y-axis to make North. This can also be a vector to set the North. Default is 0. The default North direction is the Y-axis (0 degrees).

* #### location \[Required]

A Ladybug location object.

* #### month

An integer between 1 and 12 for the month of the year (default: 6).

* #### day

An integer between 1 and 31 for the day of the month (default: 21).

* #### hour

A number between 0 and 23.999 for the hour of the day (default: 12).

* #### type

An integer between 0..5 to indicate CIE Sky Type (default: 0).

```
* 0 = Sunny with sun

* 1 = sunny without sun

* 2 = intermediate with sun

* 3 = intermediate without sun

* 4 = cloudy sky

* 5 = uniform sky
```

### Outputs

* #### sky

A honeybee sky that can be used to create a point-in-time recipe.