Wrong date on multiday created events
On gnome-calendar (3.32.0), Ubuntu 19.04.
1 - Create or edit an event. 2 - Check the "Whole day" option. (French: "Toute la journée") 3 - Select the duration for 1 day or more.
The event will start and end 1 day before the selected begin and the selected end, so you need to create your event one day in the future to place it on the good date.