Do you have a windows partition on your PC ? Do you use UTC time ?
May be this bug is #89069 https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/89069
Do you have a windows partition on your PC ?
Do you use UTC time ?
May be this bug is #89069 https:/ /bugs.launchpad .net/ubuntu/ +source/ ubiquity/ +bug/89069