Install gir1.2-timezonemap-1.0 by entering the following commands in the terminal:
sudo apt update sudo apt install gir1.2-timezonemap-1.0
Description:
typelib interface for libtimezonemap
Timezone map widget for GTK+3 . This package can be used by other packages using the GIRepository format to generate dynamic bindings for libtimezonemap1.
Version: 0.4.5
Section: introspection