Hi Ben, Ben Sturmfels skribis: > In Evolution though, all my calendar events show up in UTC time, so I > have appointments showing up at eg. 1am. > > When I go to Edit, Preferences, Calendar and Task, General, under > timezone it says: > > [x] Use system time (UTC) Could you figure out how Evolution determines what the current time zone is? Guix provides /etc/localtime, which is what libc functions use, but I’m guessing Evolution uses a custom framework, possibly involving a hard-to-believe network of D-Bus services. Thanks, Ludo’.