Date formatting mask

A date-formatting mask specifies a format to apply to some date value. This mask is a combination of the following formatting directives:

Table 1. Date formatting mask directives
Character Description
dd Day of the month as a two-digit number (01 through 31)
ddd Day of the week as a three-letter abbreviation (Sun through Sat)
mm Month as a two-digit number (01 through 12)
mmm Month as a three-letter abbreviation (Jan through Dec)
yy Year as a two-digit number (00 through 99)
yyyy Year as a four-digit number (0001 through 9999)
ww Day of the week as a two-digit number (00 for Sunday, 01 for Monday, 02 for Tuesday … 06 for Saturday)

Any other characters in the formatting mask are reproduced literally in the result.