Quick summary
To add weekends to Microsoft Project, you create a custom project calendar via the Change Working Time dialog and define Saturday and Sunday as working days with specific hours. This lets your project schedule account for weekend work without manual task date adjustments.
Steps
- Click on the Project tab in the ribbon menu at the top of your Microsoft Project window.
- Select Change Working Time from the dropdown options to access calendar settings.
- In the Change Working Time dialog box, click Create New Calendar to set up a calendar that includes weekends.
- Give your new calendar a descriptive name and click OK to continue.
- Navigate to the Work Weeks tab in the dialog box to define which weekend days will become working days.
- Select the weekend day you want to add from the days list, then choose Set day(s) to these specific working times.
- Enter the working hours for your selected weekend days.
- Click OK to save your changes — your weekends are now working days in your project schedule.



