I would like to see the calendar week if I click on the date.
The solution of this answer does not work gsettings set org.gnome.desktop.calendar show-weekdate true
I would like to see the calendar week if I click on the date.
The solution of this answer does not work gsettings set org.gnome.desktop.calendar show-weekdate true
As Terrance quite rightly states in his comment, in 20.04.1 I can confirm that the second answer in your posted link works.
The week number is displayed alongside any date you care to choose within the calendar.