# Problem Begin of the deletion statement - PainEnd of the deletion

Begin of the insertion* End of the insertion It is currently hard to create project schedules as when work packages span a weekend. In these cases the weekend days are counted as normal working days. Begin of the insertion
* End of the insertion Begin of the deletion

End of the deletion When projects change the start day of a work package the calculation of the finish date does not take into account any non-working days between the start and the finish date.

> Begin of the insertion**Example:**End of the insertion Begin of the deletion **Example**

>End of the deletion A task starts on Monday and finishs on Friday. If the task is delayed by one day the finish date is set for the Saturday. Since Saturday is a non-working day in this scenario the more accurate calculation for the finish date would be Monday.

# Begin of the insertionSolutionEnd of the insertion Begin of the deletion **Solution - pain killer**End of the deletion

* Begin of the deletion OpenProject ships with default working-day calendars of non-working days for 10-25 countries or regions (e.g. Berlin, California, Austria, Germany)
* **Example Berlin:** Default working day is Monday - Friday
* _01/01/2020 (Wednesday): New Year's Day_
* _08/03/2020 (Sunday): International Women's Day_
* _10/04/2020 (Friday): Good Friday_
* _12/04/2020 (Sunday): Easter Sunday_
* _13/04/2020 (Monday): Easter Monday_
* _01/05/2020 (Friday): Labour Day_
* _08/05/2020 (Friday): Day of Liberation_
* _21/05/2020 (Thursday): Ascension Day_
* _01/06/2020 (Monday): Whit Monday_
* _03/10/2020 (Saturday): Day of German Unity_
* _25/12/2020 (Friday): Christmas Day_
* _26/12/2020 (Saturday): Boxing Day_
* End of the deletion For each each installation an Admin can set a default working-day calendar which is preset for all projects.
* Begin of the deletion For each project a Project Admin can adjust this project setting (e.g. select the working-day calendar for Bavaria).
* End of the deletion The calculation of the finish date takes the availability calendar into account (see example in the problem statement).

Begin of the insertion## Visuals

<figure class="image op-uc-figure"><div class="op-uc-figure--content"><img class="op-uc-image" src="/api/v3/attachments/20674/content"></div></figure>

#End of the insertion **Out of Scope for the MVC**

* Begin of the insertionAdding public holidays toEnd of the insertion Begin of the deletion AdjustingEnd of the deletion the Begin of the insertionseed data.
* SelectingEnd of the insertion Begin of the deletion default calendars, e.g. copying a calendar and add, remove and renameEnd of the deletion non-working Begin of the insertiondays on a project level.End of the insertion Begin of the deletion days.End of the deletion
* Non-working-days of individual team members.
* Subscribe to external calendars, e.g. Google calendars.
* Duration calculation based on people assignments and work (effort) estimate (fixed work mode).