This is still broken as of 3.20.4. I am linked to Google Calendars and seeing 24hr format regardless of time format setting.
** Attachment added: "screen shot" https://bugs.launchpad.net/ubuntu/+source/gnome-calendar/+bug/1621539/+attachment/5067675/+files/Screenshot%20from%202018-03-02%2021-43-39.png -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-calendar in Ubuntu. https://bugs.launchpad.net/bugs/1621539 Title: Unable to schedule "PM" events in Gnome Calendar 3.20.2 To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-calendar/+bug/1621539/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs