OS X :: Changing The Time Zone/clock In The EFI?
Oct 19, 2009
I bought my Macbook from the US, but now I've returned to my country and since then ,I think, when I'm not connected to the Inet the clock is way off.
In the PC's the system clock can be easily changed in the BIOS and if I don't have Internet the clock is currect. +- a few seconds aren't that big of a difference.
And here is an example:
I put my laptop to sleep. Go to school, but there is no WiFi, It's ,let's say, 12:34PM. The clock in Mac OSX, Windows 7 shows 10:15 AM. (The times are for example). As soon as I go online, the clocks are adjusted via [URL] or [URL] depending on the OS. And the clock shows the currect time of ,in this example, 12:34 PM.
Is it possible to set the time zone/clock in the EFI boot system similar to the BIOS in the PCs?
I'm currently using rEFIt as boot manager and there there is a Shell console.
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Nov 18, 2009
For some reason my clock changes it's time on Windows and Mac every once in a while. I don't know if it's Bootcamp or VMwareFusion causing this, but for some reason it's happening.
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Nov 30, 2014
I'm using Motion 5.1 to work with still photos. I have a FCP X template that uses horizontal drop zones that I want to format for vertical pictures. How can I do this without having to create a new drop zone? Is there a way to change the parameters of the horizontal drop zone without having any blank space or cutting off images?
Info:
Motion 5, OS X Yosemite (10.10.1)
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Dec 18, 2010
I installed Everest on my MacBook Pro. It shows me, that the CPU clock is not 3066MHz (standard) but it changes very often. Sometimes I have 1500MHz, 1800MHz (...) or another CPU Multiplier. The same with the front side bus. Is this normal? I don't think, that the Core 2 Duo have TurboBoost or so?
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Mar 3, 2010
Okay, so I am running OSX and Vista on Bootcamp. I have noticed that when I use Windows or just even restart OSX that my date and time changes. Today it changed to March 1, 2000. I am curious as to why this happens. My time zone is fine. I think it has something to do with the Vista configuration.
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Jun 20, 2010
I recently moved from Illinois to Ohio. Now, when I go to either google maps or the time zone settings on my Macbook Pro, it thinks I am in Illinois. Google maps will update eventually to the correct location, however the the time zone in OS X will not. I have tried deleting .plist files and rebooting.
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Jul 20, 2009
i Have a a few users that I need to keep as standard users but they travel a lot and they need to constantly change their time zone. i can only seem to do this when a admin username and password is entered. And as such if i leave the computer open mountains of junk gets installes. Is there any workaround for allowing access only to the date/time or even just the timezone pref pane?
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Sep 1, 2008
For some reason when I create a new event it says my time computer's time zone is Cassablanca. I have checked all the settings I could think of and none of them say Cassablanca. Have you seen this issue?
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Jul 1, 2014
Issue is after update to 10.9.4 Odessa, UA timezone detect as +3 Moscow time!
But it's wrong, cause Odessa has +2 timezone.
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May 21, 2009
I'm running Vista SP1 64-bit on a 17" unibody macbook pro. Whenever I start up windows, it sets the time to GMT/UTC. I have set it to the correct time zone, and enable internet syncing. However, no matter how many times I reset the clock, whenever the computer is restarted, it sets itself to UTC again.
Now this could have to do with the fact that Boot Camp is not installed on the Windows side. I find that it takes too much effort to update drivers that way, so I install all of the drivers manually. I have a feeling that this time issue may have something to do with that, as I believe apple's bios is set to UTC, and os x corrects itself via software, where windows sets the bios itself and runs off of it.
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Jul 7, 2010
I don�t use this feature that often, so I don�t know how long this hasn�t been working, may or may not be related to 10.6.4. I have used it in the past though, so I do know how to use it.
Right now, no matter what time zone I set iCal to, it displays the events in the time zone they were created in. And I can�t change the time zone an event is set to, it just snaps back to its original event. Right now I have two events for different time zones set on the same day, one after the other. In reality, they�re about an hour apart, but they appear to be 2 hours apart, and when I change iCal�s time zone, they don�t shift accordingly.
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Mar 12, 2012
Ever since we jumped ahead an hour my iCloud calendar has been off by an hour. It shows up with the correct time on my iPhone but not on the Web. There is no place for me to adjust the time zone.
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Aug 21, 2014
Had a problem with finding back files I just worked on. E.g. I was preparing an email with attachment. I would amend or create a file, save it somewhere. Then when I wanted to insert a file the dialog box would dump the file frustratingly right down below under the 'No Date' heading. I tried disabling the automatic time zone setting and it appears to have resolved the problem for now.
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Nov 12, 2010
I admit I was pretty skeptical given the quirkiness and general flakiness I saw in Parallels 4. I used the demo for 2 weeks and ended up switching from Fusion 3. The feature set is now on par with Fusion, and it actually does seem quite a bit faster. I'm undecided if I like the snapshot/time machine setup yet. I'm wondering if anyone has had problems doing full restores using this setup?
The conversion was mostly painless with one two minor hiccups. A blue screen the first day I started using it with my work XP image, and the time zone was apparently set to Central America instead of Central Standard (apparently that bug has existed for a very long time...get on the ball folks, it looks bad).
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May 13, 2007
Sometimes, the clock shows the wrong time. However, when I open the clock menu, it will update to the correct time..
What's going on?
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Nov 15, 2009
Everytime I restart my computer my clock sets to some random time! I've never had this problem before, and no matter how many times I set it back it always changes. That and my weather widget always changes to some random city.
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May 19, 2010
My iMac 27" Clock/Time keeps reseting itself everytime I reboot it. I've tried to set it manually, but it doesn't fix the problem. It's really annoying that I have to set it everytime I turn it on.
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Jan 26, 2007
My school has ~15 iBook G3's(600 MHZ, 128 MB RAM, OS X 10.2.8) that are suddenly unable to hold the date or time. They are plugged in constantly, batteries in, and are always on. I know that with the Pismos, there are PRAM batteries that you can replace, but if I read Apple's support pages right, there aren't any in the iBooks. How does this happen? How easy is the fix?
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Jan 16, 2009
Ever since I bootcamped my Mac with Windows XP Professional, whenever I restart or boot up in OSX my time is always behind by 6 hours. I went into the settings and unchecked the set date and time automatically but it keeps giving me the wrong time.
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Apr 2, 2009
I just bought a new MacBook Pro 15" running Leopard 10.5.6, and the clock is being weird. Last weekend we put the clocks forward an hour here in the UK and I suspect this has something to do with it. What's happening is that my clock is displaying an hour earlier than it actually is, and if I put it into manual mode rather than relying on the Euro Apple timeserver, that fixes it but then the time on my Mail is wrong - it says each message was received a hour before it actually was.
Then it gets really odd - if I change the timezone to London BST and then check the time & date panel, the digital clock still reads an hour early, but the analogue one beneath it displays the right time Then if I close the panel and re-open, I find it's reverted to GMT and both clocks say it's an hour early.
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Sep 26, 2009
I have windows 7 installed on my macbook (aluminum body) via bootcamp, but whenever i use windows the clock is 4 hours ahead of the current time, and if i change it and go back to using snow leopard the clock is 4 hours back, i already tried syning with windows time and apple time, but nothing, any tips?
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Mar 22, 2012
I recently applied an EFI firmware update to my MacBook Pro 15" (early 2011), which is currently running OSX 10.7.3. Coincidentally, my clock now loses several seconds per hour (in both sleep or screensaver mode), so after several hours, I lose about a minute. Of course, I could manually correct the clock via System Preferences' Date/Time synchronization. But I shouldn't be losing this much time.
Info:
MacBook Pro (15-inch Early 2011), Mac OS X (10.7.3)
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Mar 26, 2012
Is there a separate battery for the clock? My 4 year olc MacBook doesn't seem to be keeping time anymore.
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Apr 1, 2012
I'm in the UK but the only ICloud time zone I'm offered is the Pacific. I'd be grateful for suggestions on how to sync my calendar in the week view with BST. At present the nearest I can get is the Azores.
Info:
iMac, Mac OS X (10.7.3)
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Apr 6, 2012
widget world clock shows incorrect time.. how can i fix this?
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Sep 8, 2014
I've noticed over the last while that the clock in the top right of my log-in window screen is about 20 minutes behind the actual time. When I login, the desktop clock changes to the right time. How to adjust the log-in window clock?
Info:
iMac, OS X Mavericks (10.9.2)
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Jun 3, 2014
My computer's clock is set to a date before Jan 1, 2008. Its not allowing me to go back into Date & Time to change. What do i do?
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Oct 15, 2010
I have looked into this a lot already. It is to much that Time Machine backs up every single hour! It would be nice to set it to something like 3 or 5 hours. I have tried a 3rd party app to do this, but... If my computer was off or asleep when it was supposed to back up, it would get an error. It would not just do the backup when i turned it on or when it came out of sleep like stock Time Machine does. I have also seen a way to change the time incraments in the Terminal. (I am very good with it, not a noob) I have tried this and it screws up time machine completely. Maybe it does not work with the newest OS X. By the way... I have a 2010 MacBook Pro, got it 2 months ago.
Does anyone know a solid 3rd party app, that will work seamlessly. Or has anyone changed the time in Terminal and are currently using something different than 1 hour. There is a lot of examples online, but I would like the codeing that you literally used.
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Dec 11, 2009
I have looked into this a lot already. It is to much that Time Machine backs up every single hour! It would be nice to set it to something like 3 or 5 hours. I have tried a 3rd party app to do this, but... If my computer was off or asleep when it was supposed to back up, it would get an error. It would not just do the backup when i turned it on or when it came out of sleep like stock Time Machine does. I have also seen a way to change the time incraments in the Terminal.(I am very good with it, not a noob) I have tried this and it screws up time machine completely. Maybe it does not work with the newest OS X. By the way... I have a 2010 MacBook Pro, got it 2 months ago.
Does anyone know a solid 3rd party app, that will work seamlessly. Or has anyone changed the time in Terminal and are currently using something different than 1 hour. There is a lot of examples online, but I would like the codeing that you literally used.
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Apr 19, 2009
My iMac's time keeps changing everytime it shuts down. Sometime only an hour ahead, but then it was like 21 hours ahead, 1 o'clock Monday.
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