[SOLVED] UTC Time Displaying Localtime

I am trying to get Conky to display the correct UTC time on my desktop, but the localtime is being displayed instead. In light of this issue, I concluded that the hardware clock must be set to use localtime, rather than UTC, and or that the system clock is not syncing correctly with the hardware clock on boot up.
So, I tried issuing the command
timedatectl set-local-rtc 0
to set the system time to use UTC as indicated in this ArchWiki page. However, even after rebooting, Conky still displays the localtime rather than the UTC time.
Issuing the command
timedatectl status
results in the output
Local time: Tue 2013-07-16 07:27:07 EDT
Universal time: Tue 2013-07-16 11:27:07 UTC
RTC time: Tue 2013-07-16 11:27:07
Timezone: America/New_York (EDT, -0400)
NTP enabled: n/a
NTP synchronized: no
RTC in local TZ: no
DST active: yes
Last DST change: DST began at
Sun 2013-03-10 01:59:59 EST
Sun 2013-03-10 03:00:00 EDT
Next DST change: DST ends (the clock jumps one hour backwards) at
Sun 2013-11-03 01:59:59 EDT
Sun 2013-11-03 01:00:00 EST
After having tried the above command without success, I then entered into the system BIOS on boot, and inspected the hardware clock time, which is correctly set to the UTC time.
So, after booting again into Arch Linux, I tried using the
hwclock
command to troubleshoot the problem.
Issuing the command
hwclock --debug
yields
hwclock from util-linux 2.23.1
Using /dev interface to clock.
Last drift adjustment done at 1373971186 seconds after 1969
Last calibration done at 1373971186 seconds after 1969
Hardware clock is on UTC time
Assuming hardware clock is kept in UTC time.
Waiting for clock tick...
...got clock tick
Time read from Hardware Clock: 2013/07/16 11:19:10
Hw clock time : 2013/07/16 11:19:10 = 1373973550 seconds since 1969
Tue 16 Jul 2013 07:19:10 AM EDT -0.985669 seconds
According to the output above, the
Hardware clock is on UTC time
, so I am not sure why the system clock is not syncing properly with the hardware clock on boot up.
Issuing the command
hwclock -r
yields
Tue 16 Jul 2013 07:37:51 AM EDT -0.797938 seconds
which displays localtime, instead of UTC.
In addition, I find it somewhat confusing that
hwclock --localtime
yields
Tue 16 Jul 2013 11:39:23 AM EDT -0.079090 seconds
which appears to be the UTC time, and issuing
hwclock --utc
yields
Tue 16 Jul 2013 07:40:17 AM EDT -0.485343 seconds
which appears to be the localtime.
I also tried using the command
hwclock --systohc
according to this question on serverfault.com, with no success.
The output of the
date
command is
Tue Jul 16 07:46:03 EDT 2013
, which appears to be the localtime, rather than the UTC time.
I noted that in the ouput of
timedatectl status
it says
NTP enabled: n/a
NTP synchronized: no
which I believe may be contributing to the problem, but I am somewhat unclear as to whether or not NTP is necessary for the system time to be correctly synced with the hardware clock and the UTC time.
Also, I am using the Conky Metro Clock Conky configuration for my .conkyrc file.
Any help would be greatly appreciated.
Thank you.
EDIT:
For clarification, I did not actually actual want to display the UTC time with Conky, but rather the localtime. I accidentally concluded that I wanted to display the UTC time because my hardware clock was synced to my localtime, rather than the actual UTC time. Therefore, this caused the UTC time to be synced with the localtime, and furthermore, the localtime to be 4 hours behind the correct localtime in my timezone (UTC-4hrs).
Last edited by kevin.gurney (2013-07-16 22:52:15)

kevin.gurney wrote:2ManyDogs, I don't actually want to display the UTC time. The reason why I originally wanted to display the UTC time was because it appeared to be the correct time because it was actually set to the localtime in my timezone. Therefore, the localtime that was being displayed on my system was actually 4 hours behind the correct time in my timezone relative to this UTC time since my timezone is UTC-4hrs. I apologize for the misunderstanding, although I do understand the difference between UTC and my localtime, it it simply a matter of the UTC time being incorrect on my system, and, therefore, the localtime, as well.
Ah. We could have helped you much more quickly if we understood what the real problem was. Oh well, at least you have it the way you want it now.
This is what confused me:
kevin.gurney wrote:I am trying to get Conky to display the correct UTC time on my desktop
With your last explanation, I understand what you were actually asking for.
Last edited by 2ManyDogs (2013-07-16 22:36:26)

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[SOLVED] Incorrect time displayed in my system

Hey Archers,
I have trouble correct time being displayed in my system.
My BIOS time is:
May 18 2012 08:39:21 PM IST
Date command displays
Sat May 19 02:09:59 IST 2012
Clearly the time displayed by date command is localtime+05:30 (Asia/Kolkata), when I expect it to be just localtime.
How do I correct this?
I dont dual boot and have just Arch installed on my machine.
And my /etc/rc.conf has this:
HARDWARECLOCK="UTC"
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Please correct if my understanding is wrong, but is this how it works?
When I say HARDWARECLOCK=UTC and TIMEZONE=''Asia/Kolkata",
It assumes, hardwareclock, time displayed by BIOS, is infact UTC, and, since the user is interested in timezone, +0530, it adds 0530 to hardware clock.
Thanks,
Nachiket.
Last edited by Nachiket (2012-05-19 07:22:47)

Hey Tectu,
The wiki article on Time was indeed splendid. It had all the information I needed. Thank you.
Trilby,
You were right, my hardware clock was on local time.
So this is what I did to set it correct.
1. Set the HARDWARECLOCK to "localtime" in /etc/rc.conf
HARDWARECLOCK="localtime"
TIMEZONE="Asia/Kolkata"
2. Reboot the system
3. Set the systemclock to UTC by doing a -0530 (minus 05 hours 30 minutes)
# date `date -d "-05 hours -30 mins" +%m%d%H%M%Y`
4. Copy the system clock value to hardware clock
# hwclock --systohc
5. Edit the /etc/rc.conf to set HARDWARECLOCK back to UTC
HARDWARECLOCK="UTC"
TIMEZONE="Asia/Kolkata"
6. Reboot the system.
And yes, now my system clock displays correct time
Just setting HARDWARECLOCK to "localtime" also worked. But since I the beginners guide recomments "UTC" I did all this.
Marking the thread as SOLVED.
Regards,
Nachiket.
Last edited by Nachiket (2012-05-19 07:23:33)

Image time display discrepancies between product

The following is an example of a problem I've observed in many places in my photo collection.
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There were two other images taken shortly before the first one mentioned above and they show the correct local time. The two files that followed the UTC timed file also show a UTC time value. Then following that the next file shows local time and then there are a number of files showing UTC for time.
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I believe I now have more information about how PSE works and therefore need to slightly correct my original post. It looks like PSE takes what ever time it finds for the photo's "time taken," converts it to UTC, then converts it to the local time on which PSE is running. That will explain why two images taken seconds apart, with on having time coded as local time plus UTC offset and the other having an absolute UTC time, display the time taken in local time. On the other hand, Bridge (and Lightroom) just displays what ever time it finds in the file.

Email times displayed as UTC

Hi,
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iMac Mac OS X (10.4.10)
Mac OS X (10.4.10)

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The following message appears with Date Received: "Today 3:35 AM".
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Todd
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[SOLVED]Incorrect time - 1h+

Hello,
I've followed the wiki's page: https://wiki.archlinux.org/index.php/time
timedatectl status | grep local
RTC in local TZ: no
I've tried this, but didn't help:
timedatectl set-local-rtc false
timedatectl status
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Sun 2013-10-27 02:00:00 CET
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Sun 2014-03-30 03:00:00 CEST
UTC time is correct, but my arch uses localtime (shown in tint2). How to fix this? I've searched this forum and Google, but nothing solved the problem.
Last edited by decas (2014-02-22 18:57:20)

Either adjust it manually (e.g. in the BIOS), or use something like NTP to sync your software clock, then use hwclock to save the changes to the hardware clock (I believe that it saves it as UTC by default, but you might want to check that).

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[SOLVED] UTC Time Displaying Localtime

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