Try this trick to add up ur name in place of AM and PM beside time

Its simple

Step-1:- Navigate to -> Start -> Control Pannel -> Regional and Language Option ->
Click on Customize -> Go to TIME Tab -> Change AM symbol and PM symbol from
AM and PM to ur name -> Apply -> Ok ...
Did It change? If not, follow step-2 below.

Step2:- Now go to time in taskbar and Double Click it to open "Date and time property"
...Look place where time changes in digital form i.e. 02:47:52 AM , click to arrow
to cnage the AM or PM by selecting and press arrow. It will Show ur name or name
that was entered by u, Apply -> OK and be HAPPY 8)