title: getting SQL Error: ORA-01849: hour must be between 1 and 12
body: <p>To one table i have to update date for column DT_MODIFIED   TIMESTAMP(6) and while runing the script, iam getting below error.</p>
  
  <pre><code>update table1 set dt_modified=to_char('01Feb2016 20:04:08.000') where dt_stamp='XXXXX' and xcolumn=’YYYY’;
  
  Error starting at line 6 in command:
  update table1 set dt_modified=to_char('01Feb2016 20:04:08.000') where dt_stamp='XXXXX' and xcolumn=’YYYY’;
  Error report:
  SQL Error: ORA-01849: hour must be between 1 and 12
  01849. 00000 -  "hour must be between 1 and 12"
  </code></pre>
  
  <p>Please guide me on this</p>