Changing date on an event

cannot see the field to change the date of an event or to delete an event that was created in error

The more details you can provide, the likelier you are to get a solution/suggestion from someone…
– Are you using a plugin for this feature? Yes? Which plugin? Where did you download it from?
– Is this a feature of your active theme? Yes? Which theme? Where did you download it from?
– http://codex.wordpress.org/Forum_Welcome#Include_as_Much_Information_as_Possible