> For the complete documentation index, see [llms.txt](https://docs.xviz.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.xviz.com/project-management/other-features/daysoff/custom-date.md).
# Custom Date
The xViz Gantt Chart provides the Custom Date DaysOff option to mark the non-working days based on dates.
GIF 1: Custom Date DaysOff type in xViz Gantt Chart
### Steps to use Custom Date DaysOff type in Gantt Chart:
1. Go to the Advanced Editor
2. Navigate to the “DaysOff” section. Then click on the “Custom Date” option.
3. Choose the Custom Dates for DaysOff and click on non-working custom dates to Display in the Gantt Chart.
4. Now Choose the Pattern and Color for the Custom Date.
The final result, the chart shows the shaded area for the applied Custom Date, is displayed in the image below:
---
# 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.xviz.com/project-management/other-features/daysoff/custom-date.md?ask=
```
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.