For the day: d Displays the day as a number without a leading zero (1-31). dd Displays the day as a number with a leading zero (01-31). ddd Displays the day as an abbreviation (Sun-Sat) dddd Displays the day as a full name (Sunday-Saturday)
For the month: m Displays the month as a number without a leading zero (1-12). mm Displays the month as a number with a leading zero (01-12). mmm Displays the month as an abbreviation (Jan-Dec). mmmm Displays the month as a full name (January-December).
For the year: yy Displays the year as a two-digit number (00-99). yyyy Displays the year as a four-digit number (0000-9999).