First of all go to
1)Navigate to START → Settings → Control Panel.
2)Double click on Regional and Language Options, if you are in Classic View. click on Language and Regional Options, then click on Regional Options.
3)Click on the Customize
4)Click on the time tab
5)Replace the AM and PM with your first name.
6)Click on Apply.
7)Click on OK.
8)Close the Regional and Language Options window.
hav a gud time
regards
abhi
1)Navigate to START → Settings → Control Panel.
2)Double click on Regional and Language Options, if you are in Classic View. click on Language and Regional Options, then click on Regional Options.
3)Click on the Customize
4)Click on the time tab
5)Replace the AM and PM with your first name.
6)Click on Apply.
7)Click on OK.
8)Close the Regional and Language Options window.
hav a gud time
regards
abhi
heh it might come useful one day, I bet somebody will ask me a weird question eventually and now I have the answer without have to think about it 
Doesn't work with WIN2K. Will have to try it on my XP box in a bit. I love useless crap. Makes me smile. 
