## net.sf.saxon.exslt
Class Date

    java.lang.Object
      |
      +--net.sf.saxon.exslt.Date

public final class Date
extends java.lang.Object

This class implements extension functions in the http://exslt.org/dates-and-times namespace.

Method Summary
`static java.lang.String` `date()` The date:date function returns the current date.
`static java.lang.String` `date(java.lang.String dateTime)` The date:date function returns the date specified in the date/time string given as the argument.
`static java.lang.String` `dateTime()` The date:date-time function returns the current date and time as a date/time string.
`static java.lang.String` `dayAbbreviation()` Return the day of the week given in the current date as an English day abbreviation: one of 'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', or 'Sat'.
`static java.lang.String` `dayAbbreviation(java.lang.String dateTime)` Return the day of the week given in a date as an English day abbreviation: one of 'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', or 'Sat'.
`static double` `dayInMonth()` Return the day number of the current date within the month
`static double` `dayInMonth(java.lang.String dateTime)` Return the day number of a specified date within the month
`static double` `dayInWeek()` Return the day of the week in the current date as a number.
`static double` `dayInWeek(java.lang.String dateTime)` Return the day of the week given in a date as a number.
`static double` `dayInYear()` Return the day number of the current date within the year
`static double` `dayInYear(java.lang.String dateTime)` Return the day number of a specified date within the year
`static java.lang.String` `dayName()` Return the day of the week given in the current date as an English day name: one of 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday' or 'Friday'.
`static java.lang.String` `dayName(java.lang.String dateTime)` Return the day of the week given in a date as an English day name: one of 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday' or 'Friday'.
`static double` `dayOfWeekInMonth()` Return the day-of-the-week in a month of the current date as a number (for example 3 for the 3rd Tuesday in May).
`static double` `dayOfWeekInMonth(java.lang.String dateTime)` Return the day-of-the-week in a month of a date as a number (for example 3 for the 3rd Tuesday in May).
`static double` `hourInDay()` Return the current hour of the day
`static double` `hourInDay(java.lang.String dateTime)` Return the hour of the day in the specified date or date/time
`static boolean` `leapYear()` Returns true if the current year is a leap year
`static boolean` `leapYear(java.lang.String dateTime)` Return true if the year specified in the date/time string given as the argument is a leap year.
`static double` `minuteInHour()` Return the current minute of the hour
`static double` `minuteInHour(java.lang.String dateTime)` Return the minute of the hour in the specified date or date/time
`static java.lang.String` `monthAbbreviation()` Return the month abbreviation from the current date.
`static java.lang.String` `monthAbbreviation(java.lang.String date)` Return the month abbreviation from a date.
`static double` `monthInYear()` Return the month number from the current date.
`static double` `monthInYear(java.lang.String dateTime)` Return the month number from a date.
`static java.lang.String` `monthName()` Return the month name from the current date.
`static java.lang.String` `monthName(java.lang.String date)` Return the month name from a date.
`static double` `secondInMinute()` Return the current second of the minute
`static double` `secondInMinute(java.lang.String dateTime)` Return the second of the minute in the specified date or date/time
`static java.lang.String` `time()` The date:time function returns the current time.
`static java.lang.String` `time(java.lang.String dateTime)` The date:time function returns the time specified in the date/time string given as the argument.
`static double` `weekInMonth()` Return the ISO week number of the current date within the month
`static double` `weekInMonth(java.lang.String dateTime)` Return the week number of a specified date within the month (Note, this function is underspecified in EXSLT)
`static double` `weekInYear()` Return the ISO week number of the current date within the year (Note, this returns the ISO week number: the result in EXSLT is underspecified)
`static double` `weekInYear(java.lang.String dateTime)` Return the ISO week number of a specified date within the year (Note, this returns the ISO week number: the result in EXSLT is underspecified)
`static double` `year()` The date:year function returns the current year.
`static double` `year(java.lang.String dateTime)` The date:year function returns the year specified in the date/time string given as the argument.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Method Detail

### dateTime

    public static java.lang.String dateTime()

  The date:date-time function returns the current date and time as a date/time string. The date/time string that's returned must be a string in the format defined as the lexical representation of xs:dateTime in [3.2.7 dateTime] of [XML Schema Part 2: Datatypes]. The date/time format is basically CCYY-MM-DDThh:mm:ss+hh:mm. The date/time string format must include a time zone, either a Z to indicate Coordinated Universal Time or a + or - followed by the difference between the difference from UTC represented as hh:mm.

### date

    public static java.lang.String date(java.lang.String dateTime)

  The date:date function returns the date specified in the date/time string given as the argument.

  Parameters:
    `dateTime` - must start with [+|-]CCYY-MM-DD

### date

    public static java.lang.String date()

  The date:date function returns the current date.

### time

    public static java.lang.String time(java.lang.String dateTime)

  The date:time function returns the time specified in the date/time string given as the argument.

  Parameters:
    `dateTime` - must start with [+|-]CCYY-MM-DDThh:mm:ss

### time

    public static java.lang.String time()

  The date:time function returns the current time.

### year

    public static double year(java.lang.String dateTime)

  The date:year function returns the year specified in the date/time string given as the argument.

  Parameters:
    `dateTime` - must begin with CCYY

### year

    public static double year()

  The date:year function returns the current year.

### leapYear

    public static boolean leapYear(java.lang.String dateTime)

  Return true if the year specified in the date/time string given as the argument is a leap year.

### leapYear

    public static boolean leapYear()

  Returns true if the current year is a leap year

### monthInYear

    public static double monthInYear(java.lang.String dateTime)

  Return the month number from a date. The date must start with either "CCYY-MM" or "--MM"

### monthInYear

    public static double monthInYear()

  Return the month number from the current date.

### monthName

    public static java.lang.String monthName(java.lang.String date)

  Return the month name from a date. The date must start with either "CCYY-MM" or "--MM"

  Returns:
    the English month name, for example "January", "February"

### monthName

    public static java.lang.String monthName()

  Return the month name from the current date.

  Returns:
    the English month name, for example "January", "February"

### monthAbbreviation

    public static java.lang.String monthAbbreviation(java.lang.String date)

  Return the month abbreviation from a date. The date must start with either "CCYY-MM" or "--MM"

  Returns:
    the English month abbreviation, for example "Jan", "Feb"

### monthAbbreviation

    public static java.lang.String monthAbbreviation()

  Return the month abbreviation from the current date.

  Returns:
    the English month abbreviation, for example "Jan", "Feb"

### weekInYear

    public static double weekInYear(java.lang.String dateTime)

  Return the ISO week number of a specified date within the year (Note, this returns the ISO week number: the result in EXSLT is underspecified)

### weekInYear

    public static double weekInYear()

  Return the ISO week number of the current date within the year (Note, this returns the ISO week number: the result in EXSLT is underspecified)

### weekInMonth

    public static double weekInMonth(java.lang.String dateTime)

  Return the week number of a specified date within the month (Note, this function is underspecified in EXSLT)

### weekInMonth

    public static double weekInMonth()

  Return the ISO week number of the current date within the month

### dayInYear

    public static double dayInYear(java.lang.String dateTime)

  Return the day number of a specified date within the year

### dayInYear

    public static double dayInYear()

  Return the day number of the current date within the year

### dayInMonth

    public static double dayInMonth(java.lang.String dateTime)

  Return the day number of a specified date within the month

  Parameters:
    `dateTime` - must start with CCYY-MM-DD, or --MM-DD, or ---DD

### dayInMonth

    public static double dayInMonth()

  Return the day number of the current date within the month

### dayOfWeekInMonth

    public static double dayOfWeekInMonth(java.lang.String dateTime)

  Return the day-of-the-week in a month of a date as a number (for example 3 for the 3rd Tuesday in May).

  Parameters:
    `dateTime` - must start with CCYY-MM-DD

### dayOfWeekInMonth

    public static double dayOfWeekInMonth()

  Return the day-of-the-week in a month of the current date as a number (for example 3 for the 3rd Tuesday in May).

### dayInWeek

    public static double dayInWeek(java.lang.String dateTime)

  Return the day of the week given in a date as a number. The numbering of days of the week starts at 1 for Sunday, 2 for Monday and so on up to 7 for Saturday.

  Parameters:
    `dateTime` - must start with CCYY-MM-DD

### dayInWeek

    public static double dayInWeek()

  Return the day of the week in the current date as a number. The numbering of days of the week starts at 1 for Sunday, 2 for Monday and so on up to 7 for Saturday.

### dayName

    public static java.lang.String dayName(java.lang.String dateTime)

  Return the day of the week given in a date as an English day name: one of 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday' or 'Friday'.

  Parameters:
    `dateTime` - must start with CCYY-MM-DD

### dayName

    public static java.lang.String dayName()

  Return the day of the week given in the current date as an English day name: one of 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday' or 'Friday'.

### dayAbbreviation

    public static java.lang.String dayAbbreviation(java.lang.String dateTime)

  Return the day of the week given in a date as an English day abbreviation: one of 'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', or 'Sat'.

  Parameters:
    `dateTime` - must start with CCYY-MM-DD

### dayAbbreviation

    public static java.lang.String dayAbbreviation()

  Return the day of the week given in the current date as an English day abbreviation: one of 'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', or 'Sat'.

### hourInDay

    public static double hourInDay(java.lang.String dateTime)

  Return the hour of the day in the specified date or date/time

  Parameters:
    `dateTime` - must start with CCYY-MM-DDThh:mm:ss or hh:mm:ss

### hourInDay

    public static double hourInDay()

  Return the current hour of the day

### minuteInHour

    public static double minuteInHour(java.lang.String dateTime)

  Return the minute of the hour in the specified date or date/time

  Parameters:
    `dateTime` - must start with CCYY-MM-DDThh:mm:ss or hh:mm:ss

### minuteInHour

    public static double minuteInHour()

  Return the current minute of the hour

### secondInMinute

    public static double secondInMinute(java.lang.String dateTime)

  Return the second of the minute in the specified date or date/time

  Parameters:
    `dateTime` - must start with CCYY-MM-DDThh:mm:ss or hh:mm:ss

### secondInMinute

    public static double secondInMinute()

  Return the current second of the minute