IPhone Calendar sync broken

Since a few weeks I only see one iCloud calendar on my iPhone.
I checked: all my devices use the same [email protected] address, and in iCloud.com I can see all my calendars.
However on my iPhone 4 running iOS 7.1 I only see one calendar from iCloud. I tried a few things without success (each time I got a different calendar on my iPhone, but always only one):
disabling iCloud calendar, reboot, enabling iCloud calendar, reboot
removing iCloud account, reboot, adding iCloud account, reboot
factory-resetting iPhone and restoring from iCloud
Any tips what I can do to get all my calendars on my iPhone?

I am having this problem also. It happens with re-occuring events. The Outlook calendar is correct but the iPhone calendar is changing the events by one hour. I have tried the fixes suggested elswehere regarding changing / setting the timezones but as the OP stated this is not fixing the problem.
Apple please address this.

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Calendar schedule blank. All appts disappeared from 3g iphone calendar synced to yahoo. After Yahoo corrected error message on their website and I re-synced my iphone, calendar reappears but will not allow edit from iphone. I can't find settings to change

Calendar schedule blank. All appts disappeared from 3g iphone calendar synced to yahoo. After Yahoo corrected error message on their website and I re-synced my iphone, calendar reappears but will not allow edit from iphone. I can't find settings within Yahoo or within my iphone to alter editing options.
How can I get access to edit and delete the Yahoo calendar from my iphone? I never schedule anything from the Yahoo webpage. All my appointments and reminders are scheduled from the iphone.
iOS 4.2.1 (8C148a)

My Yahoo email account worked just fine on my iPhone 4S for the last 2 months. Then this morning I started receiving the apple.imap.mail,yahoo error. I tried all of the steps above in solving the yahoo email issue including numerous hard re-sets and deletions of my yahoo account settings without any success. So I gave up trying to use the default Yahoo setup option. I added my Yahoo account back as an "other" type email account and then had the option to choose to set it up as a "POP" account instead of an IMAP type. I then just used the server settings recommended from Yahoo Help for a Yahoo Plus Email POP (or just google yahoo plus email pop settings). This works and I am back in business.
I'm not sure if this will work for yahoo mail classic accounts.
Frustrating that this issue seems to have been going on for quite awhile and Apple still as not made any acknowledgement of this issue or proposed a fix for those of us that can not resolve the issue with a reset.

Calendar sync broken Outlook 2007 and iPhone 4.1

If I add a new Calendar event on my iPhone, it does not synch over to Outlook Calendar. If I add new event to my Outlook Calendar, it does not synch over to iPhone. Same with deleted events. Everything else, including Contacts, syncs OK. The combination (iPhone/Outlook/Vista) has been working flawlessly for past 9 months.
I tried the following experiment: (1) I deleted all events from my (backed up) Outlook Calendar created one event and it synced OK (it was addedto my existing iPhone calendar events.) (2) I checked Replace Information on the iPhone and synced again. As expected, all calendar events on iPhone disappeared except for the one event. (3) I reloaded my Outlook calendar from backup,did another sync (did not check the Replace box) and a few random events (from amongst hundreds) got transferred from Outlook to iPhone. (4) I deleted all calendar events from iPhone, retored the iPhone from backup, createda few new entires on iPhone and Outlook, did a sync the problem persisted: no new entries got moved from iPhone to Outlook for from Outlook to iPhone.

You helped me so much with your previous 2 posts! Thank you!
I have followed nearly alll your ideas (did the scanpst.exe but not the different pc, did do the different user). I figured it could be my outlook, itunes, or useraccount.
In the new outlook with the new itunes in the new user: No problem!
So I checked my old .pst file and made this the standard in Outlook. Still no problem. iTunes wouldn't budge. So back to my own user account. Blegh...
So I removed iTunes completely, following http://support.apple.com/kb/HT1923 (Vista).
After installing iTunes again (first restarting my laptop) I first set my map to the 'old' iTunes map in Music. My Outlook was still the 'old' pst I used before. However: it worked! Had to sync twice the first time, but the last hour or so it worked like it should!
Thank you so much!
Oh, and that other problem I know just as well. What I did:
1 - make sure there is nó other .pst in Outlook.
2 - sync
3 - then have both the first checkmark (sync calendar with outlook) filled in, as well as the desired calender AND the 'replace data' for agenda at the bottom of the page.
4 - sync
5 - if this didn't work, repeat step 3 with the bullet for ALL calendars selected as well as the replace data (or what's it called in English) checked.
6 - sync
Hope this will help. I had to do this a couple of times, with both outlook and the app calender off. Then restarted both the iPhone and my laptop, did these steps again and voilá...
Please let me know if it worked for you!
And thank you again.

Outlook 2003 + iPhone calendar sync problem solved

Here is how I solved my sync problem. Seems a lot of people have the same problem here with Outlook sync suddenly not working after it worked fine for a long time.
I've had Outlook 2003 calendar sync with my iPhone for a few month without any problem, but a few days ago the sync suddenly stopped without any error message. iTunes Diagnostic found no problem and I followed all the steps that Apple outlines to fix the problem but nothing worked (TS2776).
As Apple asked to, I created a new user account on my Windows machine and setup a few test calendar entries to sync with my iPhone. That all worked fine.
So I did what Apple doesn't tell you, and I copied my original Outlook Data file (.PST) over to my new user account and tried to sync that one. Now this didn't work. So I knew the problem lies somewhere in my PST file.
I have then tried to create a new one from scratch in my original Windows account, and copy all the data over. Again, it didn't work. So I emptied the file again, and copied all my calendar entries over to the new PST file in batches (first 10, then another 10, etc).
What I found at the end is that one single calendar entry I created a few days ago caused my sync to stop working. Once I removed this entry, everything worked fine again. Don't ask me what was wrong with it (I made a backup just in case Apple wants to see it), but now everything works again.
If you want to save some time to find which one it is, you may start deleting entries that you created just recently before it stopped working.
Hope that helps.

Hi im having the same problem. I use outlook 2003 on windows xp and until recently my sync (using usb) was working fine. Now it would seem that calendar items are no longer syncing. can you give any further details of the calendar entry which was causing your problem? im wondering if it was added on a certain date perhaps.
I am running the inbox repair tool to see if my pst file has any problems but would appreciate any other help in the mean time.
Cheers

Outlook/ IPhone calendar syncing issue - adding one hr to EST.

Is there a fix for syncing Outlook 2003 calendar and the IPhone 4s? It continues to add 1 hour to the phone calendar - I have synced it both ways with the Time Zone Support on and off still no change...this is getting frustrating...any help?

I am having this problem also. It happens with re-occuring events. The Outlook calendar is correct but the iPhone calendar is changing the events by one hour. I have tried the fixes suggested elswehere regarding changing / setting the timezones but as the OP stated this is not fixing the problem.
Apple please address this.

Issue with iPhone Calendar sync

My office uses MS Exchange account (Outlook) for emails & calendar. I use Google Calendar Sync app to sync my outlook calendar events to my personal gmail calendar (1-way sync: Outlook to Google). Everything was fine until I bought the iPhone 4S. Apparently, when I open any event on the iPhone Calendar app, it automatically Accepts the invitation and sends a Accept notification to the meeting organizer & my personal gmail address is being added into the Attendees list of the organizer. So when I open any appointment on my iPhone to even read it, it sends a notification from my personal account to an office colleague or worse, to a business customer. Is there a way for iPhone to stop accepting or declining meetings & simply show my calendar items whatever status they are in. As I sync regularly, I want my iPhone calendar to display the exact information which is in my Outlook calendar and do nothing else.

This sounds just like the problem I am having since downloading the latest version of i-Tunes. Initially i-tunes wasn't recognised so after reinstalling i-Tunes and it's 5 other associated programmes I found that there was a cmpatability isuue (Right click i-tunes icon and go to compatability tag) Once this was sorted my Outlook calendar would not sync with my i-phone. 2 weeks later I am told it is because I have Outlook 2002 and need to upgrade. Frustrating as it worked ok before the latest upgrade.

Why doesn't my iPhone calendar sync with my Mac-neither ICloud or USB connections work.

My iPhone calendar will not sync with my MacPro either by iCloud or USB connection.

Let's compare the settings on the Mac, I'm also using iCal on my MacBook Pro OSX10.9.5.
iCal/Settings/Accounts -> iCloud CalDAV selected and activated, set to "push"
On the phone:
Settings/Mail, contacts, calendars: Syncing all events in calendar.
And in calendar app "iCloud"->"All calendars" selected.
I have no calendars selected in "On my iPhone"
Are you also syncing contacts via iCloud? If yes, does it work between the Mac and iPhone?

IPhone calendar sync issues with Outlook

I have a problem with syncing my iPhone calendar with my Outlook 2003 calendar.
For example, let's say I had a 12pm appointment today displaying both in my outlook and iPhone. However, when I sync my iPhone after the event e.g. at 3pm, the appointment entry in the Outlook is removed, whilst the appointment entry on my phone remains. I did not edit either of the appointment entries. Even if I re-sync my phone, the 12pm appointment still remains in my phone whilst it's missing in my Outlook.
Are there others encountering the same problem as well? Any ways to fix this problem? Thanks

I've talked to them. Very helpful, but no solution. The iPhone Specialist I spoke to had not heard of the problem before. At one point he put me on hold and came back to say that he had checked with some people and they had heard of this "emerging" problem but had no answers. He admitted that all problems are "emerging" problems, given that the product has been out for only 2 weeks. We tried a variety of things with no success. I had to tell him about the manual workaround - going into each appointment, setting it to recur, etc. This does make it reappear, but isn't practical for those of us with tons of appointments. I'm not shocked that they don't want to acknowledge this, given that calendar synching is so important to their targeted business customer base. It's hard to believe that they could have screwed up something that every other manufacturer seems to be able to do well and that is at the same time so critical to business users.

HT4528 iphone calendar sync help

I have many google calendars and all show up in my calender setting (iphone). I've chosen my primary calender with the radio button but in my "notification" screen multiple calendars show up??? how do i fix this?

I had just the opposite problem, that is, entries into Outlook calendar would not go to iCloud. I found the following solution:
Make sure that you are NOT running Outlook as Administrator (right click Outlook->Properties->uncheck "Run as Administrator". For some reason calendar sync (Outlook <-> iCloud) does not work if you run Outlook as administrator.
I don't know if this will fix your problem, but it's worth looking at. Let me know if it helps.

HT1386 iPhone calendar sync probs

I can not sync my iPhone 4 with iCal on my laptop. Entries made in iCal will transfer to the iPhone but entries made on my iPhone calendar do not appear in iCal? I am using iTune 10.6.1 and running OS 5.1 on the phone.
Prelfau

That's because it's no longer done through iTunes. But rather your email client. You'll have to sign into both your iMac and iPhone.
On the iMac... System Preferences---> Internet Options---> (your email client)---> Make sure that the Calendar box is checked.
On the iPhone. Settings---> Mail, Contacts, Calendars---> (your email client)---> Make sure that the Calendar ticker is turned on.
KOT

IPhone calendar sync two hours off from iCal - Can I fix?

I purchased an iPhone 3G today, this is my second one. Since my last phone, I now have a new MacBook Pro with iCal.
When I performed the Sync today, everything was fine except for the times in Calendar, which were two hours later on iPhone. The time zones were the problem, as the iPhone was set to Cupertino (Pacific) and the computer was set to Memphis (correct zone).
Now, I have corrected the time zones on both and I have performed a new Sync and checked the box to replace information from the calendars on the iPhone with the information from iCal.
However, the times are still off.
1. Can I fix this issue?
2. Can I delete the iPhone calendar entries as a whole and start over and re-Sync?
Thanks for the help. It's a minor issue, but it's pretty annoying and I have tried everything I know to fix it.

How bizarre. Mine is doing this too, except it's 3 hours off. I showed up to work 3 hours early because of this. Time zones are the same on my computer and my phone. I'm not sure what the deal is.

IPhone calendar sync w Windows 8 Outlook 2013

I am using the Outlook 2013 calendar. I want my iPhone to sync up with this Outlook 2013 client-(not cloud) based calendar, but during an iTunes sync, it seems to pick up the Win8 Calendar app instead.
Any advice? I'm at my wit's end.
Thanks
(and yes, I shoulda bought a Mac...)

OK, my wonderful husband figured this out. He tapped the iPhone calendar app, then the button called "calendars" in the upper lefthand corner, and got a screen that lists the calendars that should show. He clicked only on the "From My PC" calendar, and left the others unclicked.
The root of my problem, IMHO, is that MS Win8 has a horrible calendar app that won't even sync with the MS Outlook Client calendar. The Win8 cloud-based calendar app does a really sloppy job on timezones - an event doesn't even have a visible "timezone" designation. That's why I couldn't use it.
On the other hand, what did expect buying Win8?

IPhone calendar sync question

What do I change so that when I sync, events entered on my iphone 3GS calendar sync to my computer calendar? Events entered on my computer sync to my phone, but NOT vice versa. I have "sync all calendars" checked off in itunes info screen.

Doing both does nothing but duplicate the calendars and calendar events on your iPhone. When doing both, each is synced and stored separately and differently on the iPhone. The calendars and calendar events synced direct with iCal via the iTunes sync process are stored separately and not synced over the air with your iPhone and vice-versa.

IPhone calendar sync not working after upgrade to 9.2(61)

I updated my iTunes software and now the calendar on my iPhone won't sync properly.
When I change an event on the iPhone and then sync, it doesn't update in the calendar on my computer and it changes the event back to where it was before I changed it.
Any suggestions would be greatly appreciated!!
Margie

Had same problem....Apple tech guided me through this procedure that worked fine...
1) Sync your phone so that everything on your computer is as it should be.
2) RESTORE phone to factory settings. This is a choice in iTunes under the Summary tab when you have your iPhone device selected.
3) During this procedure you will be asked if you want to SET AS NEW PHONE. It is important to select YES to this option. This procedure takes some time...15-30 minutes
4) Set up your options for syncing from iTunes under the Info tab. If you change any settings here and ALLOW it, syncing will automatically happen. Make sure your calendar is being synced.
5) Check out the results...should be good.....I needed to sync a number of times to get everything back to normal.
6) Since doing this, the calendar syncs as it should and did before the upgrade, alone with everything else I want to sync.
Good Luck

Problems with iPhone calendar sync and Gmail calendar.

Ive been trying to sync my iPhone calendar with the Gmail calendar on my iPhone but i cannot get this to work. neither way. ive been searching the web for hours now, been to many google websites which are suppose to help with this but it wont work.
websites ive been looking at is:
http://www.google.com/support/mobile/bin/answer.py?answer=138740&topic=14252
http://www.google.com/support/mobile/bin/answer.py?answer=139206
Any help would be much appreciated!
Edit: the iPhone calendar works perfect with my MobileMe account, but I want it on Gmail as well ( if not both is possible I would prefer Gmail )

I tryed to add my gmail account to the microsoft exchange as it says in on of the links above, but the only thing that happend was that i got all of the email contact on gmail addon on my iPhone, which was really annoying since i cant call an email adress.
Anothing thing I would like to add is that i also would like to sync my contacts to Gmail.
I am fully aware that I have MobileMe, but I would like to have it synced to Gmail because thats what I use each day and I have 2-step-authentication.

IPhone Calendar sync broken

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