Why have deleted iCal events suddenly reappeared in my calender?

Assistance needed please for an iCal issue on Snow Leopard (iMac).
A bunch of formerly deleted iCal events have suddenly reappeared in iCal. I thought this would be easily resolved by using Time Machine (external HD) to restore the calendar files to when they were workings ok (a couple of days ago). Although this initially appeared to work, all the previously deleted events have suddenly reappeared.
If I was using iCloud I'd assume it was some kind of syncing issue, but I'm not. Least I can rule that out.

Cactus,
Here are two troubleshooting articles which may be helpful for you:
1. iCloud: Advanced Calendar and iCal troubleshooting
2. iCloud: Resolving duplicate calendars after setting up your calendar application for iCloud Calendar

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Why have my iCal events been deleted?

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I back up my iphone's icalendar to my MacBook. Why have some previous events disappeared in the phone but I can see them on the backup? How do I retrieve?

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Thanks for visiting Apple Support Communities.
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ICloud displaying deleted iCal events

I set up my iCloud/iCal sync when I updated to iOS5, but my iCloud calendar (and thus my iPhone calendar) is now displaying events I have deleted from iCal on my MacBook Pro. Why is this happening and how can I fix it?

I'm getting the same thing. Events that have been deleted from iCal on my G5 are still sent to my iPhone. I've reset the iPhone software, restarted, logged out and in, deleted the iSync history etc - no luck.
Also, events created on my iPhone don't transfer to iCal on my G5.
Obviously this renders the iPhone/iCal combination unreliable as a diary/calendar. What makes this particularly frustrating is that I'm using absolutely standard gear and software. Nothing fancy, no trying to sync to third party equipment or applications. I'm using Leopard 10.5.2, with Apples very own iCal 3.0.2 (1236) and an Apple iPhone with software version 1.1.4 (4A102). So all software up-to-date.
Does anyone have this standard up-to-date setup working?

ISync Deleting iCal events

Ok, so I'm reliant on both my phones calendar and iCal. Depending on where I am, i might enter a new event into either one. I've just noticed however that when I use iSync, the "sync alert" is telling me that syncing will add 13, modify 20, and delete 8 events. There seems to be no way of knowing what those events are or why they are being deleted. If they are simply not on my phone but are on iCal, i'd want them added to my phone instead of deleted from iCal, or at least review them... How do I know that some very important event wont be deleted? Thanks in advance.

There could be a number of reasons for this, but as you haven't mentioned which phone you're using, it's difficult to advise further, as different phones work differently with iSync.
Firstly though, have you tried clicking "Reset Sync History..." in iSync preferences (after backing up your contacts and calendars). That will reset the syncing in case iSync has lost track of which is current information.

Deleting iCal events

I have a number of repeated (weekly, monthly etc) events in iCal. Once the event is passed I usually delete the event for that day, and it disappears from the listed events for the current day, reappearing at the required repeat date later.
However, recently some events do not delete when I attempt to delete them - they remain in the list for the day. Sometimes they are then replicated in future weeks/months - i.e. I get double or triple entries. I've tried deleting all future events, rather than just the current one, to no effect - the event remains. I've tried removing the repeat details - that takes it from the current day (most of the time) but leaves it in future weeks.
Other repeated events behave normally, so I am at a loss as to what to think! Anyone else had this problem and found a solution?

I have a similar problem. I go in ~/Library/Calendars/XXXX.calendars/Events and delete the ics file and they just come back like magic after a few seconds! I have 3-4 time the same event now. How do you stop it? Where is the backup so I can delete it as well?
I also tried to delete the Cache file and it didn't change anything, help!

How can I restore deleted iCal events without removing current events?

I have just discovered that iCal on my Laptop has been deleting events older than 30 days (as per the default), even though it's supposed to be syncing via MobileMe with my iMac which has this disabled.
I have made backups and exports from iCal in the past. The former, iCal backup files, will apparently overwrite the whole calendar and restore it back to that point in time, which is surely rather useless? If there's a way to use one of these files without deleting new events, then please let me know.
I did import a previous export taken in August 2007, but that still leaves a large gap.
I have also been backing my iMac up in TimeMachine for the past year - is there a way to restore my Calendar this way without reverting new events?

Hi crcamp1,
If you have multiple backups, your previous backup may still be available. Details are found in this article.
Create and delete iPhone, iPad, and iPod touch backups in iTunes - Apple Support
Where your backups are stored
The folder where your backup data is stored depends on your computer's operating system. Make sure the backup folder is included in your data-backup routine. iTunes places the backup files in these places:
Mac: ~/Library/Application Support/MobileSync/Backup/
The "~" represents your Home folder. If you don't see Library in your Home folder, hold Option and click the Go menu.
Windows Vista, Windows 7, and Windows 8: \Users\(username)\AppData\Roaming\Apple Computer\MobileSync\Backup\
To quickly access the AppData folder, click Start. In the search bar, type %appdata%, then press Return.
Windows XP: \Documents and Settings\(username)\Application Data\Apple Computer\MobileSync\Backup\
To quickly access the Application Data folder, click Start, then choose Run. In the search bar, type %appdata%, then click OK.
Restoring is further discussed at the bottom of this article.
Back up and restore your iPhone, iPad, or iPod touch using iCloud or iTunes - Apple Support
Best regards,
Nubz

Deleted iCal events still showing- does iCal 3 help?

I have an iCal in Tiger (iCal 2.0.3) that I publish to co-workers. They subscribe in iCal and it mostly works fine (published through mobile me). Sometimes when I delete and item that is part of a recurring event, it continues to show in the published (subscribed) versions. The only way to fix it, is for my co-workers to delete and re-subscribe to the calendar.
Recently I also began publishing the calendar as a Google Calendar (subscribe to it in Google Calendar and then publish to the world) for some of my co-workers that prefer Google Calendars. Same problem only worse. Deleted events (some not all) continue to show up in the Google Calendar version that are no longer in teh iCal version, even after re-subscribing.
Someone (Ben Kazez of iCal widget fame) suggested that this is a problem with the way iCal 2.0.3 stores events in the calendar and that iCal 3(leopard) fixes this. (he had this problem with his widget).
Can anyone confirm that iCal 3 fixes the problem of deleted events showing in published calendars? I want to be sure this will fix my problem before I go through the hassle of the upgrade.

I'm getting the same thing. Events that have been deleted from iCal on my G5 are still sent to my iPhone. I've reset the iPhone software, restarted, logged out and in, deleted the iSync history etc - no luck.
Also, events created on my iPhone don't transfer to iCal on my G5.
Obviously this renders the iPhone/iCal combination unreliable as a diary/calendar. What makes this particularly frustrating is that I'm using absolutely standard gear and software. Nothing fancy, no trying to sync to third party equipment or applications. I'm using Leopard 10.5.2, with Apples very own iCal 3.0.2 (1236) and an Apple iPhone with software version 1.1.4 (4A102). So all software up-to-date.
Does anyone have this standard up-to-date setup working?

TS4337 How can I recover all my deleted iCal events?

My children were playing around on the computer, and for some reason, all my iCal events were deleted. I doubt that they purposefully went through all my events and deleted each one. I checked icloud with no luck, it's still an empty calendar. It's the same way on my phone as well.
How do I get all my events back?!

- On your syncing computer go to iTunes>Preferences>Devices and see if you do have a backup, if so restore from that backup. When you sync to iTunes the first step is making a backup
- If you use PhotoStream you may be able to get them fromn yuor steam. See that topic of:
iOS: Importing personal photos and videos from iOS devices to your computer
Note that the backup and PhotoStream only included photos in your iPod's Camera Roll (or Saved Photos) album. Photos synced to the iPod are not included.

How to automatically delete iCal events

I've finally gotten to a "technical place" where I have an iMac, MacBook Pro, iPad, and iPhone for my wife and I. Life is good!!
I've made the switch to iCloud and now manage my calendar on all devices, but I can't seem to find how to set up my calendar to automatically delete old events.
I would assume that events that were created as the "start" of a repeating event should not be deleted, but those events that I create as non-repeating have little or no value to remain.
Is there a way to have iCal automatically delete events in the past?
Jim P.

Jim,
Log into iCloud.com, open the Web App Calendar, click on the Prefereces cog, and make the appropriate selections in "Advanced."

Why are my iCal events (future events) just dissapearing?

Not using iCloud or mobile me. I am syncing my iPhone via iTunes.
Yesterday afternoon I created several new iCal events for today's and next week's calendar. This morning when I opened my iCal none of my new events were present. This morning, I recreated some of tomorrow's events. Closed/re-opend iCal to find the events had disappeared again. Also, seeminly unconnected but equally buggy - event alarms can be 1,2 3 hours late - radomly. ughhh!

In addition, I'm unable to delete some of the other events.

Why do I get deleted iCal events synced to my iPod Touch?

Hi,
Recently I had to deal with a quite a complicated schedule of events, some that repeated every second day at night, others every third day in the morning, etc. I made errors, deleted them, started over. When I synced, all my errors showed up on my iPod, even when I clicked ‘replace all information from this computer on next sync.’
Can someone help?

Hi Frederick,
1. I assume you all know that this is a user forum, not an Apple support group.
Oh yes, do I ever know that this is not an Apple support group..., but probably not in the sense that you meant it. What about the disastrous firmware for Airport Extreme 4.xx, which dropped connections right left and center, with literally hundreds of forum visitors to get help and advice, and completely ignored by Apple? What about the erratic cursor jumping in system 10.2 to 10.4, where one started to type and suddenly the cursor jumped to a completely different spot in the document and continued there, also reported by dozens of people completely ignored by Apple? Would you like me to continue?
2. Try resetting iSync. Open iSync, go to Preferences, and under Advanced, click on Reset Sync History. (If it is greyed out, wait a bit.)
I don’t and cannot use iSync, since my iPod touch is not a bluetooth device. I use iTunes and the option of resetting the sync history is not present in iTunes. If it is, can you direct me where in the preferences this is available?
Thank you for your help,
Klaus

Why are my iCal events not the same across views?

Help! I've been editing my iCal in Month view and everything looks great... but then I look at the day view (or week, whatever) and it's not the same. For example, in Month view for July 2 - I have one event scheduled from 8:30-noon. Then I look at the day view... and there are 8 different events! Most of them duplicates of different things that I had at one time or another deleted or changed. Why didn't the "clean up" work that I did in the month view carry over to day or week view? In fact the opposite, there are more things in day or week views than I ever created.
Recently upgraded to Lion from Snow Leopard. Recently changed from mobileme to iCloud. I only have iCal set to my iCloud account (no "on my mac" iCal calendar data). So the problem I see when editing on my MacBookPro is also seen when logged into iCloud directly via Safari and on my iPhone, iPad, etc. At first I thought this was an iCloud syncing error because I only noticed the difference on my phone (list view)... but when I went back to my MacBookPro I realized the problem exists there too... so doesn't seem to be a syncing error, but rather a "view" error... then the "problem" is mirrored everywhere.
I've tried "refresh" and "refresh all" from the Calendar drop down menu. This does nothing to help the problem... not that I really expected it would.
Thanks for any help you can provide. I'm going crazy!
Mac OS X 10.7.4; iCal 5.0.3

Fixed my own problem. Ultamately a user error but tied to the many threads about the month view defaulting events to "all day" vs. hourly increment. I knew that was the case, so when editing events from month view I made sure to add/change the time, but negected to look at "To" date. If my event was for an hour, simply adding the hour pushed the day to span across dates so the event was really 25 hours. Looked OK in the month view (just showed as a dot) but the day and week were all filled and casued the event to appear twice on the second day in list view (iPhone). In the case of repeat events, sometimes "To" date ended up as the end date for the repeat cycle... which really messed every thing up... I believe causing what looked like duplicates, etc.

Why have deleted iCal events suddenly reappeared in my calender?

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