Calendar from Time Machine Lion backup to Mountain Lion

Hello,
I copied the Time Machine backup from my crashed Lion iMac to my Mountain Lion Mac Mini, folder ~/Library/Calendars.
The calendar data is not correct converted from Lion to Mountain Lion: ex. appointment from 31-jan-2013 18:30 upto 19:30 is changed to 31-jan-2013 18:30 upto 01-feb-2013 19:30.
How can I correctly convert the calendar database from my Lion backup to Mountain Lion ?
Thanks,
Hubert

Here are the steps I would use.. do not connect by ethernet at all whilst you do them.
Factory reset the TC.
The Factory Reset universal
Unplug your TC/AE. Hold in reset. and power the TC/AE back on.. all without releasing reset and keep holding in for about 10sec. The time is not important.. it is the front LED rapid flashing that indicates you are in factory mode.
Release reset.
If it doesn’t flash rapidly you have released reset at some point and try again.
Be Gentle! Feel the switch click on. It has a positive feel.. add no more pressure after that.
TC/AE will reboot after a couple of minutes with default factory settings and will wipe out previous configurations.
No files are deleted on the hard disk.. No reset of the TC deletes files.. to do that you use erase from the airport utility.
Redo the setup with different names. Short, no spaces and pure alphanumeric. eg TCgen5 as base station name. TCwifi for wireless name.
Make sure the password for disk and wireless etc.. are 8-20 characters pure alphanumeric mix of case and numbers.
Reset TM then to the new drive location.
See A4 pondini for a full reset.
http://pondini.org/TM/Troubleshooting.html
Strongly recommend you also verify the backup and install the Widget.. A5 and A1. The log you get from the widget is a big help to see what is going wrong.
Ensure the ipv6 is set to link-local only in wireless.
I would do the whole lot but you can test at each step if you want.. I just had it happen to me.. first time in 12months and regular posting in this area. Doing the above got me going again.. although it takes a bit of patience to work through the lot.

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Hi
I just upgraded to mountain lion and I think some of my ical calendar entries are missing. How do I view my previous ical entries in time machine. I'm looking to find a version of my calendar before I upgraded last week so I can compare the calendars. Is this possible? What do I do?
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SC

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Was this the correct answer? Did it work?

How do I restore a calendar from time machine?

how do I restore a calendar from time machine?

You can find the solution already discussed here https://discussions.apple.com/thread/3944847.
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HELP!
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Kevin,
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;~)

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