Time settings change on Win-to-MacOS reboot.

I have Win 7/64 Home Premium installed on my iMac (hardware details below) via BootCamp. Everything works great in either OS.
The only issue I've noticed is that, occasionally, when rebooting from Win to get back to the Mac OS, my time is off -7 hours. The date is not affected.
I can't imagine its a PRAM battery because:
• the computer has never been off wall power for more than a few minutes.
• the Date reports accurately
• if I take it off both wall power and the network, let it sit a few minutes, and then boot into OSX, the time is correct without reading a network time server.
I've serviced a lot of PRAM battery issues in Macs so feel pretty confident that's not the problem.
Boot Camp Assistant is at v3.0.4. In Win, I'm offered BootCamp 3.2 from the Win side but haven't accepted because, other than this reboot/time issue, everything else works amazingly well.
The only major difference is that I use wired ethernet when in Mac OS and wireless while in Win. Getting Win to find the wired network is a major PITA and Speedtest.com reports no change in speed between Mac on the wire and Win on the wireless. So I left it alone.
Has anyone seen this type of behavior?

Sounds like that could be the culprit. I'll give it a whirl tomorrow and let you know how it goes. I'll probably do the Registry thing. I'm 20+ years with Mac but rather newbish in Win. However, I am game for a challenge.
Right now it's more important that OSX have the right time; the Boot Camp install was only for one program that is not time-dependent.
We'll work on getting your point count up!

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Lumia625 date & time settings change

Hi all, pls help me asap with this problem.
everytime I restart the phone, the date and time will go to 6 March 2013, 11.27am. Why is this so? My previous phone do not have this problem. Thus, the time is not according to the internet time since it is set by me.
thanks in advance for the advices!

What you have just done is a reboot. The time will reset itself after a reboot, however, it should set to the correct time automatically if you have auto time update enabled and if your operator supports this function. Bes to check with your operator to see if they support this first before trying anything else.

Frustrating date/time settings, (have new battery)

Hi,
I have a G5 and notice the date and time settings change while my computer is in sleep mode. It is usually hours behind the real clock, or it is set to a competely new year or date. I replaced the internal battery yesterday, and that did not fix the problem. I zapped the PRAM this morning and this doesn't seem to have helped either.
Any one got any suggestions?

Hi
I expect you've checked already, but presumably the following settings are still correct:
System Preferences - International - Formats
System Preferences - Date & Time - Date & Time
System Preferences - Date & Time - Time Zone
I guess it's possible you're using a UK date format etc where the day and month are reversed, or syncing with a remote clock in the wrong time zone.
I could be wrong, but I didn't think the PRAM battery was used in sleep mode, so I'm wondering whether it's resyncing on wake up with a remote clock somewhere on a LAN or the internet that's set to a different time. My date and time is set automatically from Apple Europe (time.euro.apple.com).

When dual-booting with Windows 7, Mac OSX time settings reset every reboot.

I have recently installed Windows 7 Professional on my mid 2010 MacBook Pro via BootCamp (Running Mavericks BTW). Everything runs grean and have not experienced any problems on the Windows side, but I have a problem with Mac OSX now. When I am using Windows 7, and I reboot into Mac OSX, I find that my time settings are wrong. It seems like my time zone has changed, because the date is correct, as well as the minutes, but the hour is always wrong. When I go to Date & Time in System Preferences, and my time zone is correct, but I still have to chage the hour in the time. Any ideas as to why this is happening and how to stop it would be greatly appreciated.

If you dual boot your Windows PC with OS X or Linux, you may have experienced a problem in which your clocks reset themselves incorrectly every time you boot into Windows. Here's a simple registry edit to fix that.
Essentially, the incorrect clock setting happens because OS X and Linux use GMT time while Windows tries to synchronize with your local time zone, getting confused when you reboot between the two. Apple's own Boot Camp drivers for Windows are supposed to fix this problem, though some users have noticed that it still happens even with the drivers installed, and some Linux users are left out in the cold. Furthermore, if you have a Hackintosh, you can't install the Boot Camp drivers, so you'll need to find another way around the problem.
To fix it, just hit Start and type regedit.exe in the search box. Hit Enter and navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation. Right click anywhere in the right pane and hit New > DWORD (32-bit) Value. Name it RealTimeIsUniversal, then double click on it and give it a value of 1.
Lastly, reboot into OS X, then reboot back into Windows. You should now notice that your clock actually displays the correct time.

[SOLVED] Time is changed after every reboot

Hello,
my Arch has strange behaviour regarding the system time. I use latest up-to-date arch with KDE. No explicite NTPD running and I don't have it in DAEMONS under rc.conf. The KDE own time & date environment is configured to not automatically change time. In /etc/rc.conf I have HARDWARECLOCK="localtime" and TIMEZONE="America/Chicago". Now from the environment to the problem:
Whenever I shutdown or restart my system, the time will be changed after booting into linux again. After shutdown with correct time using "date -s ..", the BIOS clock is correct. Then, when it actually boots into arch, there will be a delay
of 20-40 seconds for "$ date" (approximatelly the time of the reboot process) and also in the BIOS clock!
After shuting down before going to bed and restarting in the morning, the time will be approximately (or more or less exactly) the time when I shutted down... It should not be related to KDE as I observe the same behaviour when I remove kdm from daemons in rc.conf, hence, booting to console, setting time, restarting into console...
As I have dual boot: this problem is not observable using windows...
It seems like the time is stored somewhere during shutdown process and changed accordingly during reboot...?!?
Any ideas or comments? It's really crazy how annoying a wrong computer clock becomes (all IMs and system stuff is based on it...). :-(
Last edited by ichbinder (2010-10-10 09:11:01)

Thanks for all the quick responses!
Primoz wrote:maybe you should start using ntp or openntpd?
It provides you with time directly from the net.
Well, I tried to use ntp. As I am using KDE, there should already be a synchronisation service active. I can activate synchronisation in System Settings -> Date & Time and it works right after activation. But further on, e.g. after a restart - and hence such a wrong time as described in my first post - it does not correct anything. So it seems like, there is also a problem with this KDE synchronisation. But to state why I'm not using it anymore: it doesn't make much sense to use it as this is just a work around and does not solve the problem that the hardware clock might become wrong (so, e.g. I end up with a wrong clock in windows or so). In general, I just want to have a correct clock without synchronisation before I activate synchronisation.
ewaller wrote:
That seems weird.
When you power up, what happens if, before starting your boot loader, you enter the BIOS set up and check the system time?
Yes, it is. Well, if the hardware clock has been set correctly using e.g. hwclock it will be correct in BIOS before I restart arch. Similar observations for the following case:
- set HW clock correct in BIOS
- start arch ... shutdown arch
- check HW clock in BIOS -> correct
- start arch ... shutdown arch
- check HW clcok in BIOS -> incorrect
ewaller wrote:...
Other thoughts: date -s does not set the BIOS clock, it sets the Linux kernel time. On what do you assert that the BIOS clock is correct at shutdown.
Thanks for the hint! In that case, it seems like the KDE Date & Time settings influence both, hwclock and date.
ewaller wrote:...
Also, once booted into Linux, what does the command hwclock show? This command reads the actual BIOS hardware clock.
Yeah, I used that alot now. So as described, it is also incorrect after a restart. But only after arch has booted again. To sum it up:
Using whatever tools to set the hardware clock and the system clock (KDE's tool, hwclock + date, or BIOS + date), both are correct until I reboot into arch the next time. If I do that, it resets both to a time similar to the last shutdown time.
karol wrote:
This doesn't fix anything, but you can try https://bugs.archlinux.org/task/13684#comment52246 - using UTC instead of localtime.
I never checked if my system clock is running perfect at all times or is /etc/cron.hourly/adjtime correcting it once in a while.
Hm, not to sure what they are doing exactly there and how this might help... :-/
What do you mean with the second part of the sentence? Not sure if /etc/chron.hourly/adjtime is doing anything in my case... How can I check if that cronjob is running?
karol wrote:Have you tried this http://wiki.archlinux.org/index.php/Time#Time_Skew ?
But this is very interesting! I will remove /var/lib/hwclock/adjtime as described in the wiki and see what happens then. Thanks!

I can't get FaceTime or iMessage to connect, I enter valid password (tested and works for Apple account) and it won't connect. I have checked all settings, upgrades iOS to 8.3 rebooted, changed Apple acount PW still wont connect. My internet connecti

I can't get FaceTime or iMessage to connect, I enter valid password (tested and works for Apple account) and it won't connect. I have checked all settings, upgrades iOS to 8.3 rebooted, changed Apple acount PW still wont connect. My internet connection is fine Safari works and I can access all sites. I have an iPad 2. Any help on this will be greatly appreciate. iPad 2, iOS 8.3

This is an ongoing problem as you will see by searching the forum.
Out of curiosity, do you have 2 step verification enabled? It was recently extended to include iMessage & FaceTime & I'm wondering if it might be causing some of the issues that some users are experiencing.

TS2784 I have set my iphone5 time settings to automatic New York time. Throughout the day the clock keeps changing times on its own by hours. Sometimes in is correct. Sometimes it is wrong.

I have set my iphone5 time settings to automatic at New York time. Throughout the day the date and time on the phone keeps changing on its own and often by a few hours. Sometimes it goes to the correct time. Sometimes it is way out. Is there something wrong with my settings?

This is a known issue with the iPhone 5. Turn off the automatic time setting for the time being. It will most likely be corrected in an upcoming update to iOS if the tech press is to be believed.

Hello! i am using ipad n i am not able to connect to itunes store.Whenever i open itunes it syas "cannot connect to itunes store".i tried resetting the network settings n also tried changing the dat and time settings as mentioned but it still doesnt work!

hello! i am using ipad n i am not able to connect to itunes store.Whenever i open itunes it syas "cannot connect to itunes store".i tried resetting the network settings n also tried changing the dat and time settings as mentioned but it still doesnt work!please help!

Saw this on another post.
Applecare Senior Advisor Txx Bxxx (I have his contact info in an email he just sent) just confirmed with me that the problem people are having with the App Store not loading is an apple issue with there servers, ITS NOT YOUR IPAD so don't go restoring it! It's not happening to everyone however but they are looking into it, its really hit or miss.
In the meantime ...........
The Complete Guide to Using the iTunes Store
http://www.ilounge.com/index.php/articles/comments/the-complete-guide-to-using-t he-itunes-store/
Can't connect to the iTunes Store
http://support.apple.com/kb/TS1368
iTunes: Advanced iTunes Store troubleshooting
http://support.apple.com/kb/TS3297
Best Fixes for ‘Cannot Connect to iTunes Store’ Errors
http://ipadinsight.com/ipad-tips-tricks/best-fixes-for-cannot-connect-to-itunes- store-errors/
Try this first - Reset the iPad by holding down on the sleep and home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons.
This works for some users. Not sure why.
Go to Settings>General>Date and Time> Set Automatically>Off. Set the date ahead by about a year.Then see if you can connect to the store.
 Cheers, Tom

I can't change my alarm time settings

I own a 5th generation iPod nano and I regularly use the alarm clock and it works fine until now.
When I set a new alarm and choose the exact time I want it to ring, I go back to the alarm main menu only to find out that the time I selected has changed. Every time I go back to the time settings and correct the time I want, the final saved time is different.
I already tried to reset my ipod twice, I even restored it but the issue remains.
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I'm on Mac OSX version 10.5.8. Processor: 2.4GHz Intel Core 2 Duo. Memory: 4GB 667 MHz DDR2 SDRAM
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Been trying to stream these and others like it. The message usually pops up within the first minute or so:
http://www.tudou.com/programs/view/1DecdNX8v0Y/
http://www.tudou.com/programs/view/YZk2pXmF8wA/
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Cannot change date and time settings, popup "These files can't be opened: Your internet security settings prevented..."

When I try to change my date and time settings I get a Windows Security popup that reads: "These files can't be opened. Your Internet security settings prevented one or more files from being opened. C:\Windows\system32\rundll32.exe"
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Hi,
Perhaps, this issue is caused by a sign of corruption.
Please try to use sfc/scannow to check the System Files.
Also, You may refer to the following link.
http://www.sevenforums.com/general-discussion/71526-cant-change-date-time-2.html
Important Note: Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. ”

Nokia lumia 625 - losees date & time settings when...

Hi should my 625 lose the date & time settings when the battery goes flat - mines done it twice now only had the phone since last wednesday

Same here. Nokia Lumia 930.
When it is set to auto, while the timezone is correct, the phone shows wrong date/time.
I set it to manual and to my surprise, date/time changed on reboot.

What is wrong with my facetime,i am using an ipad everytime i placed a call i can't hear it ringing and the person i am calling can't recieve my call as well,i did everything possible forced off my ipad,on and of facetime on settings,change id's.

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- Try cleaning out/blowing out the headphone jack. Try inserting/removing the plug a dozen times or so.
Try the following to rule out a software problem
- Reset the iPod. Nothing will be lost
Reset iPod touch: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Reset all settings
Go to Settings > General > Reset and tap Reset All Settings.
All your preferences and settings are reset. Information (such as contacts and calendars) and media (such as songs and videos) aren’t affected.
- Restore from backup
- Restore to factory settings/new iPod.
- Make an appointment at the Genius Bar of an Apple store. Seems you have a bad headphone jack.
Apple Retail Store - Genius Bar
Apple will exchange your iPod for a refurbished one for this price. They do not fix yours.
Apple - iPod Repair price
A third-party place like the following will replace the jack for less. Google for more.
iPhone Repair, Service & Parts: iPod Touch, iPad, MacBook Pro Screens
Replace the jack yourself
iPod Touch Repair – iFixit

I bought my i pod touch from us but i live in india .i have been using this from many days fr just a few days before something went wrong with it and the date and time has changed what do i do?

i bought my i pod touch from us but i live in india .i have been using this from many days fr just a few days before something went wrong with it and the date and time has changed what do i do?

Have you went to Settings>General Time&Date and correct the time. Make sure the time zone is correct too. Also go to Settings>General>Inernational and make sure the Gergorian calender is selected.

IPhone Date & Time keeps changing to "Cupertino" time zone

Hi
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This effects World Clocks and other apps which is most annoying.
I have firmware 2.0(5A345) installed on the iPhone. Is there a way to upgrade this? Will i lose all my current data if i do a firmware upgrade? Will it even fix the issue?
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Is there a less drastic option?
Thanks in advance!

If i do that it states that i am running the current version. Maybe because it is a revision and not a proper update.
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Thanks

CONTACT NAMES NOT DISPLAYING & TIME FORMAT CHANGING AFTER SYNC

i live in kuwait and i was just gifted an officially unlocked 3g iphone from new zealand. i upgraded to 2.1. i have 2 problems
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Follow this procedure to get your contacts back (I assume they are on your Mac/PC):
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2. Select your account which has the contacts you wish to sync
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4. Exit from Settings
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Time settings change on Win-to-MacOS reboot.

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