Date and Time conflict with Windows 8.1 dual boot with Ubuntu 16.04 Daily Build

Bug #1566359 reported by Kaartic Sivaraam on 2016-04-05
This bug affects 1 person
Affects Status Importance Assigned to Milestone
gnome-control-center (Ubuntu)
ubiquity (Ubuntu)

Bug Description

I use Ubuntu Xenial Xerus(development branch) 16.04 Daily Build and Windows 8.1 in my laptop.

The time shown by Ubuntu and Windows clash with each other (i.e.) the time ubuntu retrieves from the BIOS, it considers as GMT time and when I set my time zone, it adjusts that time to the time zone.

When I set the correct time with and time zone in Ubuntu and reboot into Windows the time shown by it is wrong..

I don't know why this occurs or the reason for it.

I am reporting as I find this as a bug.

Phillip Susi (psusi) wrote :

Sadly, the time and date settings used to at least have a check box you could tick to tell the system that the RTC should use local time, but along with many other useful options, this appears to have been removed from gnome-settings-daemon. Ubiquity should also set this option by default when doing a side-by-side install.

affects: grub-installer (Ubuntu) → ubiquity (Ubuntu)

Previously, (e.g. 14.04) this could be fixed by adding "UTC=no" to the '/etc/default/rcS' file. This does not appear to work in 16.04 with the 4.4.0-18-generic kernel.

Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in gnome-settings-daemon (Ubuntu):
status: New → Confirmed
Changed in ubiquity (Ubuntu):
status: New → Confirmed
Bruno Nova (brunonova) on 2016-04-27
tags: added: xenial
Bruno Nova (brunonova) wrote :

One way to fix this is to open a terminal and run:

    timedatectl set-local-rtc 1

(no "sudo" needed)

Previously, the Ubuntu installer would automatically configure itself to read/write the clock in local time if Windows was detected (dual-boot) by using that "UTC=no" in '/etc/default/rcS' method.
That doesn't seem to work any more with systemd.

I think the installer should be fixed to do the same thing it did in 14.04, but with systemd.

Changed in ubiquity (Ubuntu):
importance: Undecided → High
Changed in gnome-settings-daemon (Ubuntu):
importance: Undecided → High
Jeremy Bicha (jbicha) on 2017-05-06
affects: gnome-settings-daemon (Ubuntu) → gnome-control-center (Ubuntu)
Changed in gnome-control-center (Ubuntu):
importance: High → Wishlist
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