> For the complete documentation index, see [llms.txt](https://hi-primus.gitbook.io/bumblebee/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hi-primus.gitbook.io/bumblebee/transformations/transformation-functions/time-and-date/date_extract_daynumber.md).

# Day number of year

Extracts the day number of year from date values in the selected column(s).

## Location

![Day number of year on the interface](https://1348350781-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MV2mHcaOiKNDfEbfXux%2Fsync%2Fb23f5639f92252f9bf14bfb79c6b9bcd1d4aeb51.png?generation=1619022540954016\&alt=media)

## Fields

| Field                 | Type       | Description                                                                          |
| --------------------- | ---------- | ------------------------------------------------------------------------------------ |
| Output column name(s) | Text field | Name of the output column(s), if left blank will save the result on the same column. |

## Example

![Day number of year example](https://1348350781-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MV2mHcaOiKNDfEbfXux%2Fsync%2F8513bd457cacf166d3050d3b5db740aad5723cde.png?generation=1619022540952359\&alt=media)