← Back to catalogue
Published

November 19

vr.tr.november-19 · thing-q3026

Let an agent handle November 19 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.

Thing Registry Cross-cutting context XCT.TME
Bundle → Layer → Finding → QuestionsClassifiersWhat it isWhy it existsDistinguishing featuresWhat robots and AI may and may not doMoral aspectsOwnersLinks to other meta-modelsIdentity and identifiersDirect propertiesRecognitionCapabilities and actionsHazards and failure modesStandards and interfacesContext of useSources

Bundle → Layer → Finding → Questions Filled

4 bundles · 8 layers · 8 findings · 16 questions

Date Calendar facts.

Weekday

Computation.

Weekday

Weekday.

  1. On which weekday does November 19 fall in this year? measurement
  2. Is it a leap year? boundary

Calendar

Julian or Gregorian.

Calendar

Calendar system.

  1. Is the Julian or Gregorian calendar meant? boundary
  2. What is the equivalent date in the other calendar? measurement
Observances Holidays.

Holiday

Public holiday.

Holiday

Holiday status.

  1. Is November 19 a public holiday or observance here? provenance
  2. Which tradition or law sets it? provenance

Attribution

Traditions.

Attribution

Attributed observances.

  1. Which countries or communities observe something on this date, according to them? provenance
  2. Is the observance attributed rather than assumed? boundary
History Past events.

Events

On this day.

Events

Historical events.

  1. Which notable events happened on November 19, according to reliable sources? provenance
  2. Are dates given in the same calendar? boundary

Anniversaries

Recurring.

Anniversaries

Anniversaries.

  1. Which anniversaries fall on this date this year? provenance
  2. Which are round numbers? measurement
Planning Scheduling.

Countdown

Days until.

Countdown

Countdown.

  1. How many days until the next November 19? measurement
  2. From which date? definition

Work

Working day.

Work

Working day.

  1. Is it a working day for this organisation? provenance
  2. Do deadlines move? boundary

Classifiers Filled

Family
Thing Registry
Category
Cross-cutting context
Entry kind
thing
Plane
XCT
Domain
XCT.TME

What it is Filled

November 19, day 323 (day 324 in leap years) of the year in the Gregorian calendar, with 42 days remaining in both common and leap years. November 19 is World Toilet Day, International Men's Day, the National Day of Monaco and Discovery Day in Puerto Rico, and the anniversary of the Gettysburg Address in 1863.

Why it exists Filled

Let an agent handle November 19 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.

Distinguishing features Filled

  • The nineteenth day of November
  • Weekday varies by year
  • Observances vary by place
  • Julian and Gregorian dates differ by 13 days in this era

What robots and AI may and may not do Filled

Must not

  • Present any of the November 19 observances as universal holidays.
  • Use World Toilet Day or International Men's Day to mock the sanitation needs or health concerns they address.
  • Misquote or invent lines of the Gettysburg Address.
  • Present the colonial framing of Discovery Day as uncontested.

Only with a human decision

  • Planning closures or deadlines around Monaco's National Day or Puerto Rico's Discovery Day.

May

  • Give the day number and days remaining for November 19 in the Gregorian calendar.
  • Note World Toilet Day, International Men's Day, Monaco's National Day and Puerto Rico's Discovery Day with their sources.
  • Quote the Gettysburg Address only from an authenticated text.

Moral aspects Filled

  • World Toilet Day draws attention to billions without safe sanitation, a matter of health and dignity.
  • Discovery Day is viewed differently by those who mark colonisation and those who mark its costs.

Who is affected

  • People without safe sanitation
  • People of Puerto Rico and Monaco
  • Readers

Owners Filled

Steward

Nobody owns the date; the United Nations and national governments set the observances.

Links to other meta-models Filled

parent

  • Q11186284 - registry parent class

related

  • November - month
  • November 18 - date
  • calendar date - category
  • ISO 8601 - notation

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.november-19
  • Wikidata: Q3026 (https://www.wikidata.org/wiki/Q3026)
  • ISO 8601: --11-19 recurring date

Direct properties not applicable Not applicable

  • day of year: 323 or 324 day - common year, leap year where different
  • days remaining: 42 days

Plane XCT: no invented physical properties.

Recognition optional Filled

  • Written 19 November or November 19
  • ISO format --11-19
  • Observances vary by country and tradition
  • A date on calendars.

Capabilities and actions required Filled

  • compute its weekday in a given year
  • check local and international observances
  • find sourced historical events
  • schedule events

Hazards and failure modes required Filled

  • Assuming observances are universal
  • Unsourced on-this-day events
  • Mixing Julian and Gregorian dates

Standards and interfaces required Filled

  • ISO 8601
  • National public holiday laws

Context of use required Filled

  • A calendar date for scheduling, holidays and anniversaries.
  • the recurring calendar date
  • specific dated days in given years

Sources Filled

  1. Wikidata item Q3026: November 19 - identity and sense of the item
  2. Wikipedia: November 19 - general description of the item

Open questions

  • Should dated days be separate entries?
  • How should observances be linked?
  • How should events be sourced?

Machine files

Card as JSON Specification Card backlog vercy.card/1

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q3026/spec.json