When defining a time interval using org-schedule, I can usually type something like "2pm+2" and get "SCHEDULED: <2019-07-09 Tue 14:00-16:00>". However, typing "11pm+2" leads to incorrect behaviour. The result is "SCHEDULED: <2019-07-09 Tue 23:00-25:00>", which is obviously wrong.
Emacs : GNU Emacs 27.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit) of 2019-04-29 Package: Org mode version 9.2.3 (9.2.3-17-g4df705-elpaplus @ /home/yantar92/.emacs.d/elpa/org-plus-contrib-20190513/)