https://se.mathworks.com/help/finance/uicalendar.html
uicalendar - Graphical calendar - MATLAB
This MATLAB function supports a customizable graphical calendar that interfaces with one or more uicontrol.
graphical calendarmatlab
https://la.mathworks.com/help/finance/uicalendar-graphical-user-interface.html
UICalendar User Interface - MATLAB & Simulink
Using uicalendar to manage dates.
user interfacematlabsimulink