2. 046: Special Coded Dates (R)

Guidelines:

No indicators

Subfields:

  • ‡f Birth date (NR)
  • ‡g Death date (NR)
  • ‡k Beginning or single date created (NR)
  • ‡l Ending date created (NR)
  • ‡o Single or starting date for aggregated content (NR)
  • ‡p Ending date for aggregated content (NR)
  • ‡s Start Period (NR)
  • ‡t End Period (NR)
  • ‡u Uniform Resource Identifier (R)
  • ‡v Sources of information (R)
  • ‡2 Source of date scheme (NR)

When supplying dates in field 046, use the Extended Dated Time Format (EDTF) scheme in all cases except for centuries, supply date using 4 digits for the year, 2 digit for the month, and 2 for the day, each element separated by hyphen

  • year = yyyy
  • year and month = yyyy-mm
  • year, month, and date = yyyy-mm-dd
  • Use subfield ‡e edtf to indicated the EDTF scheme

Source of information:

  • 670s must be used to support information used as part of an authorized access point in 1XX and 4XX
  • Use of ‡v is optional if the same information/source is already cited in the 670
  • Use ‡v if the information/source is not cited in a 670
  • Use ‡u is optional, and should always be preceded by ‡v

Personal Names

Date to be expressed 046 
Known year of birth: 1978 ‡f 1978 ‡2 edtf
Known year of birth: January 29, 1956 ‡f 1956-01-29 ‡2 edtf
Known year of death: 1625 ‡g 1625 ‡2 edtf

Known date of birth: August 17, 1910

Known date of death: February 21, 2011

 ‡f 1910-08-17 ‡g 2011-02-21 ‡2 edtf
Known years of birth and death: 1901-2000 ‡f 1901 ‡g 2000 ‡2 edtf

Known date of birth: November 11, 1880

Date of death varies in the same source: April 24 or 25, 1939

 ‡f 1880-11-11 ‡g [1939-04-24, 1939-04-25] ‡2 edtf

Date of birth known: November 8, 1921

Date of death varies in the difference sources: July 31, 2012 or August 1, 2012 

2 046 fields:

‡f 1921-11-08 ‡2 edtf

‡g [2012-07-31, 2012-08-01] ‡2 edtf

Date of birth known: March 12, 1923

Date of death varies in the difference sources: August 28 or 29, 1998; source of death dates given in ‡v

3 046 fields:

‡f 1923-03-12 ‡2 edtf

‡g 1998-08-28 ‡v New York Times WWW site, Nov. 19, 2012 ‡2 edtf

‡g 1998-08-29 ‡v Social Security Death Index, Nov. 19 2012 ‡2 edtf
Year of birth known to be one of two years: 1589 or 1590 ‡g [1589,1590] ‡2 edtf
Year of birth known to be one of two years and know year of death: 1622 or 1623-1691 ‡f [1622,1623] ‡g [1691] ‡2 edtf
Approximate year of birth: 1720 ‡f 1720~ ‡2 edtf
Approximate year of death: 1581 ‡g 1581~ ‡2 edtf

Known year of birth: 1566

Approximate year of death: 1638

 ‡f 1566 ‡g 1638~ ‡2 edtf
Approximate years of birth and death: 1540-1600 ‡f 1540~ ‡g 1600~ ‡2 edtf
Probable year of death: 1557 ‡g 1557? ‡2 edtf
Unspecified death date: some day in December, 1411 ‡g 1411-12-uu ‡2 edtf
Unspecified decade of birth: 189u ‡f 189u ‡2 edtf
Known century: 20th century ‡s 20 (note: edtf format not used for century)
Active known year: 1745 ‡s 1745 ‡2 edtf
Active approximate year: 1490 ‡s 1490~ ‡2 edtf
Active known both start and end: 1639-1645  ‡s 1639 ‡t 1645 ‡2 edtf
Active known start year: 1687; Active approximate end year: 1735  ‡s 1687 ‡t 1735~ ‡2 edtf
Active approximate both start and end: 1470-1480 ‡s 1470~ ‡t 1480~ ‡2 edtf
Active known century: 17th century ‡s 16
Active known century: 16th century-17th century ‡s 15 ‡t 16
Active approximate century:12th century  ‡s 11~ ‡2 edtf
Probable year of birth: 1656; approximate year of death: 1712 ‡f 1656? ‡g 1712~ ‡2 edtf
Approximate year of birth: 1708; know one of two years of birth: 1752 or 1753 ‡f 1708~ ‡g [1752,1753] ‡2 edtf
Approximate year of birth: 1500; died after: 1547 ‡f 1500~ ‡t [1548..] ‡2 edtf

Corporate bodies

Record as appropriate a date of founding and/or a date of termination.

Note that “active” dates for periods of activity are not recorded for corporate names. For corporate names, ‡s and ‡t indicate definite dates.

Date to be expressed 046 
Founded: 1867 ‡s 1867 ‡2 edtf
Founded: 1956; disbanded: 1981;reunited briefly: 2005

2 046 fields:

‡s 1956 ‡t 1981 ‡2 edtf

‡s 2005 ‡t 2005 ‡2 edtf

Jurisdictions

Date to be expressed 046 
Milton Keynes is a “new town” which was formally designated on 23rd January 1967. ‡s 1967-01-23 ‡2 edtf
Sri Lanka is a jurisdiction which came into being with that name in 1972. ‡s 1972 ‡2 edtf
Humberside was an English county from 1 April 1974 until 1 April 1996. ‡s 1974-04-01 ‡t 1996-04-01 ‡2 edtf
The name of Bombay was officially changed to Mumbai in 1996. ‡s 1996 ‡2 edtf

Conferences

YUL policy: generally do not make NARs for conferences

Record as appropriate a date or range of dates on which a conference was held.

Date to be expressed 046 
Conference held on April 1-3, 1999 ‡s 1999-04-01 ‡t 1999-04-03 ‡2 edtf
Conference held on November 2, 2008 ‡s 2008-11-02 ‡t 2008-11-02 ‡2 edtf
Only year of conference available: 2001 ‡s 2001 ‡t 2001 ‡2 edtf
First annual conference began in 2000 (ongoing)  ‡s 2007 ‡2 edtf