Navigate Here: Projects > Browse Projects; select a project > Implementation tab > Calendars tab
You can browse and manage the calendars of the current implementation project on the Calendars tab page.
You can browse all project calendars created for the current project on the Calendars tab page.
A brief summary of Calendar Name displays in the table. You can sort the calendar name by clicking its linked column headers. If there are too many records to display, you can use the navigation control to view another page.
Click the Edit icon 
at the end of the row and the system will open the Calendar Setting screen which is the same as editing a system calendar.
Note: The project calendar assigned to the project schedule(s) cannot be deleted.
Click the Add icon 
and the system will open the Calendar Setting screen which is the same as adding a new system calendar.