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Published

August 31

vr.tr.august-31 · thing-q2830

Let an agent handle August 31 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 August 31 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 August 31 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 August 31, 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 August 31? 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

August 31, day 243 (day 244 in leap years) of the year in the Gregorian calendar, with 122 days remaining in both common and leap years. August 31 is Independence Day in Trinidad and Tobago marking 1962, in Kyrgyzstan marking 1991 and in Malaysia as Hari Merdeka marking 1957, and the anniversary of the death of Diana, Princess of Wales, in Paris in 1997 and of the founding of Solidarity in Poland in 1980.

Why it exists Filled

Let an agent handle August 31 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.

Distinguishing features Filled

  • The thirty-first day of August
  • 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

  • Mix up the years and countries of the independence days on this date.
  • Present one country's national day as observed elsewhere.
  • List anniversaries of deaths on this date without sources or with intrusive detail.
  • Mix Julian and Gregorian dates for historical events without saying so.

Only with a human decision

  • Publishing an on-this-day item about a living person or a recent tragedy.

May

  • Report events and observances for August 31 with sources and the calendar used.
  • Name the independence days of Trinidad and Tobago, Kyrgyzstan and Malaysia correctly.

Moral aspects Filled

  • Independence anniversaries carry national meaning and colonial history.
  • Death anniversaries on this date still affect surviving families.

Who is affected

  • Citizens of the countries concerned
  • Families of people remembered
  • Readers

Owners Filled

Steward

Nobody: a calendar date held in common.

Links to other meta-models Filled

parent

  • Q11187583 - registry parent class

related

  • August - month
  • August 30 - 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.august-31
  • Wikidata: Q2830 (https://www.wikidata.org/wiki/Q2830)
  • ISO 8601: --08-31 recurring date

Direct properties not applicable Not applicable

  • day of year: 243 or 244 day - common year, leap year where different
  • days remaining: 122 days

Plane XCT: no invented physical properties.

Recognition optional Filled

  • Written 31 August or August 31
  • ISO format --08-31
  • 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 Q2830: August 31 - identity and sense of the item
  2. Wikipedia: August 31 - 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-q2830/spec.json