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DATE.CONVERT (DC)
The DATE.CONVERT; command converts dates between date formats.
There are two forms of the DATE.CONVERT; command:
DATE.CONVERT (DC)
$ The complex form performs the conversion and updates either a series of System Data
items, enabling the date to be accessed in various formats, or a single user data item in
a specified format. It can also be used just to perform date editing.
$ The simple form uses the System Data item GLB.TOTAL as either the source or
destination of a relative day number, and offers simple conversion to or from a date.
Note: The recommended form for the DATE.CONVERT; command is the complex
form.
Further details of each form are given in the following subsections.
Complex Form
Description of Use
The complex form of the DATE.CONVERT; command has the following features:
$ Convert the value of a data item in a format you specify, storing the result in a series of
System Data items that have the prefix GLB.DC-.
These System Data items are cleared before the DATE.CONVERT; command is
executed. For a list of the GLB.DC- data items available to you after successful
execution of the complex DATE.CONVERT; command, see Section 2.
$ Modify the result of date conversion, by adding or subtracting a number of days from
the input date value.
$ Convert the value of a data item, into a format you specify, into another data item with
a date format that you specify. (The remaining GLB.DC- items are undefined.)
$ Validate the value of a data item (with EDIT.ONLY; command option). (The GLB.DCitems
are undefined, and GLB.CENTURY is not set.)
$ May set GLB.CENTURY.
Complex DATE.CONVERT; commands set GLB.CENTURY if you entered Y in the DC;
sets GLB.CENTURY field on the Primary Specification Options screen. If you entered
N, GLB.CENTURY is not changed automatically. In LDA, both forms of the
DATE.CONVERT; command set GLB.DC-CC.
Note: If you use historic dates, dates are not adjusted for past changes in the
calendar.
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