To change the way your computer displays the date:
1.. Open Regional and Language Options in Control Panel.
2.. On the Regional Options tab, under Standards and formats, click Customize.
3.. On the Date tab, specify any changes you want to make under Short date and Long date.
If you do not see the format you want in Short date or Long date, follow these guidelines:
To Do this
Display single-digit numbers without a leading zero Type a single character. Type d for the day setting, type y for the year setting, and type M for the month setting
Display leading zeros with single-digit numbers Type two characters. Type dd for the day setting, type yy for the year setting, and type MM for the month setting
Display the last two digits of the year Type yy for the year setting
Display four digits for the year Type yyyy for the year setting
Display abbreviations for the day or month Type three characters. Type ddd for the day setting and type MMM for the month setting
Display the full name of the day or month Type four characters. Type dddd for the day setting and type MMMM for the month setting
Display additional text Type single quotation marks (') around text