datetimePicker (MSComCtl2.DTPicker.2) is always shipped with vfp as olecontrol and works as well with .
can download a sample from msdn: https://support.microsoft.com/es-do/help/259646/how-to-use-the-datetimepicker-control-in-visual-foxpro
in conjonction can add a monthview control in same form (MSComCtl2.MonthView.2)
in all cases you have to play with datetime()