Solution : https://service.sap.com/sap/support/notes/1141977 (SAP Service marketplace login required)
Key words : 
exact patch number, display area, calendar navigator, switch back, terms cl_gui_calendar, navigator reason, switches back, solution apply, support packages, prerequisites
Related Notes : 
       
| 563161 | SAP GUI, SAP ITS & SAP IGS patches on Service Marketplace |