> For the complete documentation index, see [llms.txt](https://docs.inforiver.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.inforiver.com/editable/formula-and-functions/date-functions.md).

# Date functions

| NAME     | DESCRIPTION                                        |
| -------- | -------------------------------------------------- |
| DATEADD  | Adds a specified number of days to the input date  |
| DATEDIFF | Returns the number of days between two input dates |
| DAY      | Extracts the day of the month from an input date   |
| DATE.SET | Returns a date after changing the format           |
| MONTH    | Extracts the month from an input date              |
| NOW      | Returns the current date and timestamp             |
| TODAY    | Returns the current date                           |
| YEAR     | Extracts the year from an input date               |

*This section is being updated. Some formulas and functions may not be currently available in the visuals or the docs. We appreciate your understanding and patience as we work to provide comprehensive information about these formulas and functions.*


---

# 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://docs.inforiver.com/editable/formula-and-functions/date-functions.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.