**As** a project admin
**I want to** Begin of the insertiondefineEnd of the insertion Begin of the deletion add which areEnd of the deletion the working days of Begin of the insertionthe week forEnd of the insertion my Begin of the insertionOpenProject instanceEnd of the insertion Begin of the deletion company/instanceEnd of the deletion
**so that** Begin of the insertionweekends are correctly displayed and taken into accountEnd of the insertion in all Begin of the deletion theEnd of the deletion modules that involve dates Begin of the insertion(date picker, GANTT, team planner, calendar...).End of the insertion Begin of the deletion and calendars I see the weekends.End of the deletion

**Acceptance criteria**

Begin of the insertion* End of the insertion The Begin of the insertionicon for this entry isEnd of the insertion Begin of the deletion user will be able to access a setting fromEnd of the deletion the Begin of the insertionexisting "**icon-calendar**" (visible in the sidebar and on the overview pages).
* The page has a title:End of the insertion Begin of the deletion Administration calledEnd of the deletion "Working days" Begin of the insertion
* Text:
* **DefineEnd of the insertion Begin of the deletion where they will be able to selectEnd of the deletion the Begin of the insertionworkingEnd of the insertion days Begin of the insertionofEnd of the insertion Begin of the deletion thatEnd of the deletion the Begin of the insertionweek**
Non-working days are skipped when scheduling work packages and are excluded when calculating duration. These can be overriden at a work-package level.
* ThisEnd of the insertion Begin of the deletion company/instanceEnd of the deletion is Begin of the insertionfollowed byEnd of the insertion Begin of the deletion working fromEnd of the deletion the Begin of the insertionhorizontal rowEnd of the insertion Begin of the deletion 7 daysEnd of the deletion of Begin of the insertioncheckboxes, one for each day ofEnd of the insertion the week. Begin of the insertion
End of the insertion Begin of the deletion This will then affect the calendar views in all this points:

End of the deletion * Begin of the insertionMonday–Friday are selected by default.
End of the insertion Begin of the deletion Date picker (in several views)
End of the deletion * Begin of the insertionSaturday and Sunday are unselected by default.
End of the insertion Begin of the deletion Gantt
End of the deletion * Begin of the insertion**Mobile:** On smaller screens, the list become vertical, with only one element per line.End of the insertion Begin of the deletion CalendarEnd of the deletion
* Begin of the insertionA save button exists and works like on every other settings page.End of the insertion Begin of the deletion Team plannerEnd of the deletion

**Visuals**

Begin of the insertion<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/36808/content">End of the insertion Begin of the deletion <figure class="image op-uc-figure" style="width:75%;"><div class="op-uc-figure--content"><img class="op-uc-image" src="/api/v3/attachments/31988/content"></div></figure>End of the deletion

**Figma**

https://www.figma.com/file/SMzHAQWcY9k0PkTEKd5UQn/Duration-and-Non-Working-Days?node-id=1667%3A46400