> For the complete documentation index, see [llms.txt](https://docs.ladybug.tools/ladybug-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/ladybug-primer/components/1_analyzedata/calculate_hoy.md).

# Calculate HOY

![](https://894783789-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LPHXQ1I3gb93zpLrLZf%2Fuploads%2Fgit-blob-e8551b90356b9727730386097a481fe5eeb65e88%2FCalculate_HOY.png?alt=media)

![](https://894783789-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LPHXQ1I3gb93zpLrLZf%2Fuploads%2Fgit-blob-52fc22f82e13b48fc61411fe242a370bdef32d9c%2FCalculate_HOY.png?alt=media) - [\[source code\]](https://github.com/ladybug-tools/ladybug-grasshopper/blob/master/ladybug_grasshopper/src//LB%20Calculate%20HOY.py)

Calculate hour of the year from month, day, hour, minute.

### Inputs

* **month**

Integer for month (1-12).

* **day**

Integer for day (1-31).

* **hour**

Integer for hour (0-23).

* **minute**

Integer for minute (0-59).

### Outputs

* **hoy**

Hour of the year.

* **doy**

Day of the year.

* **date**

Human readable date time.