Hi, I tried reproducing the error, but it didn't trigger for me:
root@tester:~# date Wed Feb 13 09:21:00 UTC 2019 root@tester:~# at now +900minutes warning: commands will be executed using /bin/sh at> ls at> <EOT> job 3 at Thu Feb 14 00:21:00 2019 root@tester:~# atq 3 Thu Feb 14 00:21:00 2019 a root root@tester:~# uname -a Linux tester 4.15.0-45-generic #48-Ubuntu SMP Tue Jan 29 16:28:13 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux root@tester:~# lsb_release -rd Description: Ubuntu 18.04.2 LTS Release: 18.04 root@tester:~# at -V at version 3.1.19 Could you put together a test case that will trigger every time? ** Changed in: at (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1815672 Title: "at now +240minutes" calcultes wrongly if passing through midnight To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/at/+bug/1815672/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs