Property Name

DUE

Purpose

This property defines the date and time that a to-do is expected to be completed.

Value Type

The default value type is DATE-TIME. The value type can be set to a DATE value type.

Property Parameters

IANA, non-standard, value data type, and time zone identifier property parameters can be specified on this property.

Conformance

The property can be specified once in a "VTODO" calendar component.

Description

This property defines the date and time before which a to-do is expected to be completed. For cases where this property is specified in a "VTODO" calendar component that also specifies a "DTSTART" property, the value type of this property MUST be the same as the "DTSTART" property, and the value of this property MUST be later in time than the value of the "DTSTART" property. Furthermore, this property MUST be specified as a date with local time if and only if the "DTSTART" property is also specified as a date with local time.

Format Definition

This property is defined by the following notation:

 due        = "DUE" dueparam ":" dueval CRLF

 dueparam   = *(
            ;
            ; The following are OPTIONAL,
            ; but MUST NOT occur more than once.
            ;
            (";" "VALUE" "=" ("DATE-TIME" / "DATE")) /
            (";" tzidparam) /
            ;
            ; The following is OPTIONAL,
            ; and MAY occur more than once.
            ;
            (";" other-param)
            ;
            )

 dueval     = date-time / date
 ;Value MUST match value type

Example

The following is an example of this property

 DUE:19980430T000000Z

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