I can only see this month and some dates in the next month. The rest of the calendar is blank. Am I doing something wrong?

Some other users reported the same issue when they were using SharePoint 2007, and they resolved the issue by applying the hot fix mentioned in this Microsoft kb article (http://support.microsoft.com/kb/974087/en-us). If you are using SharePoint 2007, please contact your SharePoint administrator to see if the hot fix mentioned in the kb article [1] is installed in your SharePoint environment and if not, please install the hot fix to resolve the issue. If you are not using SharePoint 2007, please contact us.