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DIF Creation Date


The <DIF_Creation_Date> specifies the date the metadata record was created.The <DIF_Creation_Date> is automatically populated by the authoring tools with the date the metadata entry was created, however, the author may change the date.



Year, month and day must follow the International Standard ISO 8601 in the form: yyyy-mm-dd, where:

yyyy= the 4 digit year
mm= the 2-digit month (01 – 12)
dd = the 2-digit day (01-31)

  • The <DIF_Creation_Date> is recommended and may not be repeated.



This document should be cited as:
Directory Interchange Format (DIF) Writer's Guide, 2018.
Global Change Master Directory.
National Aeronautics and Space Administration.

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