CHANGE THE TIME FORMAT FROM AM/PM to your name in your computer!!! this is 100% working simple task.

Step 1: Navigate to -> Start -> Control Panel -> Regional and Language Option -> Click on Customize.

  Step 2: Now Click on  TIME Tab -> Change AM symbol and PM symbol from AM and PM to your name, then click on Apply -> Ok.  You will your name now instead of AM or PM after the time in Taskbar. wasn't it so simple.