xs:date

Construct a date value from an item value.

Related Syntax Constructs

The following construct(s) refer to this construct:

[ Syntax | Description | Argument | Examples ]

Syntax

xs:date(item $value) => date

Description

This is a constructor function that takes an item value as argument and returns a value of type xs:date. If the argument is a literal, then the literal must be a valid lexical form of its type.

As specified in the respective section of the W3C recommendation XML Schema Part 2: Datatypes, a value of type xs:date represents a Gregorian calendar date as defined in ISO 8601. The lexical form is CCYY-MM-DD where "CC" represents the century, "YY" the year, "MM" the month and "DD" the day. You may not truncate digits on the left side. To represent a date before Christ, you must prepend a minus sign.

Argument

$value	item value

Examples

Generate a valid value of type xs:date:
```
xs:date("2002-12-07")
```

Add an entry for the first Roman emperor:

<emperor>
  <name>Augustus</name>
  <birth>
    <date>{ xs:date("-0063-09-23") }</date>
  </birth>
  <death>
    <date>{ xs:date("0014-08-14") }</date>
    <place>Nola</place>
  </death>
</emperor>