Undecimber

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Undecimber or Undecember is a name for the 13th month in a calendar that normally has 12 months.

Etymology

The word undecimber is based on the Latin word undecim meaning "eleven". It is formed in analogy with December, which, though the twelfth month in the Gregorian calendar, derives from decem meaning "ten". The word undecember (abbreviated Vnde) is recorded from a Roman inscription according to the Oxford Latin Dictionary, which defines it as "a humorous name given to the month following December".[1]

Some recent authors report the names "Undecember" and "Duodecember" for the two intercalary months inserted between November and December upon the adoption of the Julian calendar in 44 BCE, including the World Calendar Association[2] and Isaac Asimov.[3] This claim has no contemporary evidence; Cicero refers to the months as "intercalates prior and intercalates posterior" in his letters.[4]

Historian

procurator of Gaul, added two months to the year 15 BCE, because taxes were paid by the month.[5] Though not named by Dio, who wrote in Greek, August Immanuel Bekker suggested these might have been called "Undecember" and "Duodecember".[citation needed
]

Computing

In the

constant java.util.Calendar.UNDECIMBER represents such a month.[8]

Accounting (called "Month 13")

In accounting, a thirteenth month is sometimes used to adjust financial statements for an entire year without affecting monthly results. For example, an organization may wish to adjust its books to reflect the fact that some of its sales and resulting payments due from customers will not be paid. If an organization only does this once per year the organization can attribute these adjustments to "Month 13" so as not to inaccurately post a full year's worth of write offs to one month.[9]

Further months

Similar names exist for additional months in calendars extended beyond 13 months. For instance, duodecember is a 14th month, and tridecember is a 15th month.[citation needed]

See also

References

  1. ISBN 0-19-864224-5
    .
  2. ^ Jézéquel, Jules (1937). "Why the World Needs This Reform". Journal of Calendar Reform. 7. New York City: World Calendar Association: 64.
  3. ISBN 0-200-71100-8
    .
  4. ISBN 0-89005-577-7
    .
  5. ISBN 0-665-72855-7
    .
  6. ^ a b Janert, Philipp K. (2007-06-04). "Making Sense of Java's Dates". On Java. O'Reilly Media. Retrieved 2007-12-13.
  7. ^ "In a leap year, is the extra month Adar I or Adar II?". Mi Yodeya StackExchange.
  8. ^ "java.util Class Calendar: UNDECIMBER". Java Platform, Standard Edition 6: API Specification. Sun Microsystems. 2008. Retrieved 2009-05-22.
  9. ^ L. Evans, Denise L.; Evans, William (2023). The Complete Real Estate Encyclopedia. The McGraw-Hill Companies, Inc. Retrieved 7 Aug 2023.

External links

Look up decem or undecim in Wiktionary, the free dictionary.
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