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Published

June 4

vr.tr.june-4 · thing-q2627

Let an agent handle June 4 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 June 4 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 June 4 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 June 4, 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 June 4? 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

June 4, day 155 (day 156 in leap years) of the year in the Gregorian calendar, with 210 days remaining in both common and leap years. June 4 is the International Day of Innocent Children Victims of Aggression, Emancipation Day in Tonga, and the anniversary of the 1989 suppression of protests in Beijing, commemorated in some places and not officially in mainland China.

Why it exists Filled

Let an agent handle June 4 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.

Distinguishing features Filled

  • The fourth day of June
  • 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

  • Erase, deny or minimise the Tiananmen Square killings.
  • Use the International Day of Innocent Children Victims of Aggression as a hook for promotion.
  • Publish identities of commemoration participants in places where that exposes them to persecution.

Only with a human decision

  • Publishing content about June 4 commemorations that names participants.

May

  • State the day number, observances and anniversaries of June 4 from sources.
  • Report the 1989 Tiananmen Square events of June 4 from documented sources.

Moral aspects Filled

  • June 4 commemorations are censored or prosecuted in some places; memory itself is at stake.
  • Child victims of aggression deserve remembrance, not use as content.

Who is affected

  • Victims and their families
  • People who commemorate
  • Children affected by war

Owners Filled

Steward

The public: held in common; observances belong to those who keep them.

Links to other meta-models Filled

parent

  • Q11187901 - registry parent class

related

  • June - month
  • June 3 - 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.june-4
  • Wikidata: Q2627 (https://www.wikidata.org/wiki/Q2627)
  • ISO 8601: --06-04 recurring date

Direct properties not applicable Not applicable

  • day of year: 155 or 156 day - common year, leap year where different
  • days remaining: 210 days

Plane XCT: no invented physical properties.

Recognition optional Filled

  • Written 4 June or June 4
  • ISO format --06-04
  • 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 Q2627: June 4 - identity and sense of the item
  2. Wikipedia: June 4 - 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-q2627/spec.json