Equals (used as a comparison)

<Date1> = <Date2>

Boolean

Returns a value of true if <Date1> is the same as <Date2>.

Equals (used as an assignment)

<Date1> = <Date2>

DateTime

Assigns the value of <Date2> to <Date1>

<Date1> <> <Date2>

Boolean

Returns a value of true if <Date1> does not equal <Date2>

<Date1> < <Date2>

Boolean

Returns a value of true if <Date1> is less than <Date2>

<Date1> > <Date2>

Boolean

Returns a value of true if <Date1> is greater than or equal to <Date2>

<Date1> <= <Date2>

Boolean

Returns a value of true if <Date1> is less than or equal to <Date2>

<Date1> >= <Date2>

Boolean

Returns a value of true if <Date1> is greater than or equal to <Date2>

attributeReference in [ |(rangeExpression)|]

Boolean

Returns a value of true if attributeReference is in the range of Date values from..to, and where opening and closing parentheses ( )indicate exclusion of that limit and square brackets [ ] indicate inclusion of that limit.

attributeReference in {listExpression}

Boolean

Returns a value of true if attributeReference is in the comma-delimited list of literal values, defined enumeration values, or - if in use - enumeration labels.

<Date>.year

Integer

Returns the century/year portion of <Date> as a four digit Integer

<Date>.month

Integer

Returns the month in <Date> as an Integer between 1 and 12

<Date>.day

Integer

Returns the day portion of <Date> as an Integer between 1 and 31

<Date>.addYears(<Integer>)

Date

Adds the number of years in <Integer> to the number of years in <Date>

<Date>.addMonth(<Integer>)

Date

Adds the number of months in <Integer> to the number of months in <DateTime>

<Date>.addDays(<Integer>)

Date

Adds the number of days in <Integer> to the number of days in <Date>

<Date1>.yearsBetween(<Date2>)

Integer

Returns the Integer number of years between <Date1> and <Date2>. This function returns a positive number if <Date2> is later than <Date1>.

<Date1>.monthsBetween(<Date2>)

Integer

Returns the Integer number of months between <Date1> and <Date2>. If the month and year portions of <Date1> and <Date2> are the same, the result is zero. This function returns a positive number if <Date2> is later than <Date1>.

<Date1>.daysBetween(<Date2>)

Integer

Returns the Integer number of days between <Date1> and <Date2>. If the two dates differ by less than a full 24-hour period, the value is zero. This function returns a positive number if <Date2> is later than <Date1>.

<Date>.dayOfWeek

Integer

Returns an Integer corresponding to day of the week, with Sunday equal to 1, in <Date>.

<Date>.weekOfYear

Integer

Returns an Integer from 1 to 52, equal to the week number within the year in <Date>

<Date>.dayOfYear

Integer

Returns an Integer from 1 to 366, equal to the day number within the year in <Date>

<Date>.weekOfMonth

Integer

Returns an Integer from 1 to 6, equal to the week number within the month in <DateTime> or <Date>. A week begins on Sunday and ends on Saturday.

<Date>.toString

String

Converts DateTime to a String with date and time information

<Date>.toDateTime

DateTime

Returns a DateTime where the date portion is equal to the value of <Date> and the time portion is equal to 00:00:00 in the system’s local timezone

<Date>.toDateTime (<string>)

DateTime

Returns a DateTime where the date portion is equal to the value of <Date> and the time portion is equal to 00:00:00 in the timezone specified by the value of <string>

getMilliseconds

toString

Integer

Converts the value of <Date> to data type <String>.

Integer

Returns the internal date/time, namely the number of milliseconds that have transpired since the epoch 1/1/1970 00:00:00 GMT.

nextDay

Date

Returns the Date that represents the date that follows this Date instance.