ORA Database Error Messages ORA-01821: date format not recognized June 11, 2015 mpbod ORA-01821: date format not recognized Cause: A date specification contained an invalid format code. Action: Check that only valid date format codes are specified. Back to previous menu https://support.oracle.com/ http://www.oracle.com/ Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)