Library of Congress >> MARC >> Bibliographic >> 00X >> 005

005 - Date and Time of Latest Transaction (NR)

MARC 21 Bibliographic - Full
February 1999

Indicators and Subfield Codes
This field has no indicators or subfield codes.


Sixteen characters that indicate the date and time of the latest record transaction and serve as a version identifier for the record. They are recorded according to Representation of Dates and Times (ISO 8601). The date requires 8 numeric characters in the pattern yyyymmdd. The time requires 8 numeric characters in the pattern hhmmss.f, expressed in terms of the 24-hour (00-23) clock.

Date characters yyyymmdd include 4 for the year, 2 for the month, and 2 for the day.

Time characters hhmmss.f include 2 for the hour, 2 for the minute, 2 for the second, and 2 for a decimal fraction of the second, including the decimal point. The 24-hour clock (00-23) is used.

The date on which a record is first entered into machine-readable form is contained in field 008/00-05. The Date entered on file never changes.


005 19940223151047.0
[February 23, 1994, 3:10:47 P.M. (15:10:47)]


System Generation - Field 005 should be system generated.

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