be additional parts, such as the day of the week. Years are counted from a particular starting point called the epoch, with era referring to the span of time since that epoch. A date without the year may also be referred to as a date or calendar date (such as " " rather than " "). As such, it is either shorthand for the current year, or else it defines the day of an annual event such as a birthday on 25 March or Christmas on 25 December.

Date format