Dialog: Properties, Tab: Date

Option name

Option description
Type

If you choose the System short date and System long date values, the date field is formatted according to the format specified on the Windows control panel (Regional Settings>Date). To set up your own custom date format, select the Custom format value in this field and then enter the user format in the Format field.
Format Specifies the format if the Custom Format option is on: 
Description How to get this
Dates without leading zeroes Enter one character - d for day, y — for year and M — for month
Zeroes before one-digit dates Enter two characters, dd for day, yy — for year and MM — for month.
Two-digit year Enter yy for year.
Four- digit year Enter yyyy for year.
Month acronyms Enter MMM for month.
Full month names Enter MMMM for month.