If you set the time manually, after a reboot the hardclock and the system time are out of sync
Original time root@ubuntu-phablet:~# date && hwclock Fri Dec 11 21:42:53 UTC 2015 Fri 11 Dec 2015 09:42:54 PM UTC -0.887206 seconds Set a random time root@ubuntu-phablet:~# date && hwclock Sat Jan 3 13:54:16 UTC 2015 Sat 03 Jan 2015 01:54:17 PM UTC -0.083749 seconds Reboot root@ubuntu-phablet:~# date && hwclock Fri Dec 11 21:39:59 UTC 2015 Sat 03 Jan 2015 01:56:41 PM UTC -0.018649 seconds -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1524674 Title: Set Time & Date manually doesn't persist between reboots To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1524674/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs