United Nations Directories 
for Electronic Data Interchange for

     Administration, Commerce and Transport


 

 UN/EDIFACT

 



      Change indicators

        a plus sign (+)    for an addition
        an asterisk (*)    for an amendment to structure
        a hash sign (#)    for changes to names
        a vertical bar (|) for changes to text for descriptions and
                           notes
        a minus sign (-)   for marked for deletion (within either
                           batch and interactive messages)
        a X sign (X)       for marked for deletion (within both batch
                           and interactive messages)


     2151  Period type code                                        [C]

     Desc: Code specifying the type of period.

     Repr: an..3

     Code Values: 

     3M    Quarter
              A subdivision of a year into four equal parts.

     6M    Half-year
              A subdivision of a year into two equal parts.

     AA    Air hour
              Flight duration irrespective of time zones.

     AD    Air day
              Flight duration irrespective of time zones.

     CD    Calendar day (includes weekends and holidays)
              Period given as a number of days including weekends and
              holidays.

     CW    Calendar week (7day)
              Period given as a number of 7day-weeks including
              holidays.

     D     Day
              The twenty-four hour period during which the earth
              completes one rotation on its axis.

     DC    Ten days period
              Period of 10 days.

     F     Period of two weeks
              A period of time lasting fourteen days. Synonym:
              Fortnight.

     H     Hour
              One of the twenty-four sub-divisions of a day.

     HM    Half month
              A subdivision of a month into two equal parts.

     M     Month
              One of twelve divisions of the year as determined by the
              Gregorian calendar.

     MN    Minute
              A unit of time equal to 1/60 of an hour, or 60 seconds.

     P     Four month period
              A period of time, measured in monthly increments,
              consisting of four sequential months.

     S     Second
              A unit of time equal to 1/60 of a minute.

     SD    Surface day
              The voyage duration irrespective of time zones.

     SI    Indefinite
              An indefinite period.

     W     Week
              Period of seven days.

     WD    Workday
              Day on which work is usually done.

     WW    5 day work week
              Monday through Friday.

     Y     Year
              The period of time as measured by the Gregorian calendar
              in which the earth completes a single revolution around
              the sun.

     ZZZ   Mutually defined
              Period as per agreement.




     Data Element Cross Reference

     DataElement 2151 is used in the following Batch Segments: 

     PYT



     DataElement 2151 is used in the following Interactive Segments: 

     BCD

     DataElement 2151 is used in the following Interactive Composite Elements: 

     E083


    
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