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IPhone sync with Outlook Calendar - Appointment time put on iPhone 1 hr later.

When I sync my iPhone with a Outlook Calendar the appointmens originating from Outlook showup on my iPhone as an hr later than what it was on Outlook. The appointmens originating from my iphone show on Outlook as an hr earlier that what was on my iPhone. The time on both my computer an iPhone are the same.

E.g. - Outlook appointment 2:00 p.m. After syncing with iPhone the same appointment on my iPhone is shows as 3:00. (Stays the same on Outlook)

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Re: iPhone sync with Outlook Calendar - Appointment time...

This solution pertains only to the one hour time difference people notice upon syncing to MS outlook.

In iPhone, there are two areas where you have an option to change your time settings.

1. When you go to 'settings', then to 'general', you can set up time and date, and also 12-24 hour format. Please note that changing the time here DOES NOT correct the problem, despite iPhone displaying correct date, time and time zone. Many people in this thread have stated that the problem persisted despite them setting appropriate time zone.

2. When you go to 'settings', then to 'mail, contacts and calendars' row (NOT the 'General' row) - you get an option to change your time zone at the very bottom of all the choices. You will see that wrong time zone is selected here - likely cause of the problem. Correct this choice and the one hour discrepancy between appointments in outlook and iPhone disappears.

Additional problem solutions - in the solution No. 2, if you set 'Time Zome Support' to 'ON', then all your appointments in the calendar will be displayed in the time zone of your HOME address. In other words, for example, if you are a person in central time zone, your appointments will be displayed ALWAYS in central time zone format - they will NOT change automatically when you travel from central time zone to eastern time zone. On the other hand, if you set the time zone support to 'OFF', then all your outlook appointment display times will change and adjust according to any time zone you travel to - This is often an inconvenience since most of us would like to remember our appointments as they were made in our home time zone, regardless of what time zone we traveled to.

Please note that the above solution pertains to only display of appoint times in outlook - This solution does NOT relate to the time displayed by iPhone and how that displayed time adjusts when you travel to different time zone away from your home time zone. This second issue is addressed below -

You can get your iPhone to display the current time in two ways -

1. Either always show the time in your home time zone, regardless of where you are (i.e., a person from Texas central time zone can set up to see the time always in central time, even if he/she travels to another time zone). This display setup is good for people who always think of time in their home time zone and then do mental conversions to reach at the local time zone time.

2. On the other hand, you can get iPhone to do this for you and change displayed clock time automatically to the local time zone that you have traveled to, away from your home time zone. Please note that enabling this capability in iPhone has no bearing on how the appointments are displayed in MS outlook.

Go to 'Settings'. Go to 'General' tab. then click on 'date and time'. Pick the 'set automatically' option to 'ON'. Now, the iPhone will automatically adjust displayed time to show the current time in which ever time zone you travel to.

If you set the 'set automatically' option to 'OFF', then you can select your home time zone. Then, the iPhone will always display time in your home city time zone and will NOT change even if you travel to a different time zone.

So, in summary, there are two places you need to adjust the time zones in iPhone - to do two separate tasks, first task of displaying appointments always in your home time zone upon syncing with outlook thereby avoiding the one hour skip; Second task of getting iPhone to display either your home time zone clock, or getting it to adjust current time to reflect the time in new time zone you travel to.

Hope this helps.

Posted on Jun 06, 2010

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Re: iPhone sync with Outlook Calendar - Appointment time...

I had the same problem. My company outlook server is in the US but I am based in the UK. Simple solution though. Just turn the Time Zone Support off. Settings-Time&Date-Time Zone Support off. It will automatically update your calendar and change all times to be your local times.

Hope this helps :-)

Posted on Feb 29, 2008

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Re: iPhone sync with Outlook Calendar - Appointment time...

This feature like most business features simply does not work consistently or correctly on the iPhone. The fix is to user Blackberry or some other business class smartphone for another year or so until Apple provides a phone that is up to the task of business apps.

Posted on Jan 26, 2010

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Re: iPhone sync with Outlook Calendar - Appointment time...


I tried all of the above mentioned solutions none worked. When i sync with i phone, on my i phone appointment was showing one hour earlier than on my computer. So my solution is go to Calendar options-change time zones in your Outlook and set the time zone(original time zone) to offset difference between your computer and i phone. Don't change the windows time. So i set the time zone +1 hour compared to my computer time. When i synced it worked.

I hope it will work for you too.

Posted on Mar 25, 2010

Re: iPhone sync with Outlook Calendar - Appointment time...

I found a solution! Try this:

1. On your iPhone, choose Settings
2. Choose General
3. Choose Date & Time
4. Turn the Time Zone Support "Off"

It worked for me!

Posted on May 06, 2008

Re: iPhone sync with Outlook Calendar - Appointment time...

This is clasic when syncing with devices... the problem is that you have diferent time zones between devices. Set the iPhone time zone to match the one of the PC. That will work.

Posted on Dec 14, 2007

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Re: iPhone sync with Outlook Calendar - Appointment time...

I tried what's mentioned with the above and nothing changed can anybody help !!!

Posted on Mar 09, 2010

Re: iPhone sync with Outlook Calendar - Appointment time...

With the Iphone 2.0 or the 3G you can fix the time zones by:
1. Go to Settings
2. Go to Mail, Contacts, Calendars
3. Scroll down to Claendar- Time Zone Support
4. Change the time zone

Posted on Jul 26, 2008

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Each Outlook calendar event has an internal property known as "Message Class." When some Outlook plug-ins are installed (such as Live Search Maps), the setting for the Message Class property can change from its default of "IPM.Appointment" to something else. iPhone and iPod touch are only able sync calendar events with the Message Class set to "IPM.Appointment," therefore any calendar events created after installing certain Outlook plugins may no longer sync.
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  3. For Windows Vista, choose View > Current View > Customize Current View.
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  1. Uninstall any Outlook plugins such as Live Search Maps or other plugins which change the default Message Class "IPM.Appointment" to some other value. Once the plugins have been removed, verify if those calendar events revert back to the Message Class of "IPM.Appointment" so that you can sync the calendar data to iPhone/iPod touch. If you are able to sync, try adding the plugins back one at a time and verify that you are still able to sync.
  2. If removing the Outlook plugins does not change the Message Class value for the calendar events, manually change the Message Class value of those calendar events to "IPM.Appointment." For more information on Message Class and how to change the Message Class fields/value, refer to Microsoft's KB article 201087 How to update existing items in an Outlook folder to use a new custom form
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