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Published

June 13

vr.tr.june-13 · thing-q2614

Let an agent handle June 13 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 13 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 13 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 13, 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 13? 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 13, day 164 (day 165 in leap years) of the year in the Gregorian calendar, with 201 days remaining in both common and leap years. June 13 is International Albinism Awareness Day, designated by the UN, the feast day of Saint Anthony of Padua, and the anniversary of the death of King Ludwig II of Bavaria in 1886, of the US Supreme Court decision in Miranda v. Arizona in 1966 and of Pioneer 10 crossing the orbit of Neptune in 1983.

Why it exists Filled

Let an agent handle June 13 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.

Distinguishing features Filled

  • The thirteenth 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

  • Use stigmatising language about people with albinism.
  • Present the feast of Saint Anthony as observed by everyone.
  • Attribute anniversaries such as the Miranda decision to June 13 without checking sources.
  • Schedule an action affecting people on June 13 without stating the time zone.

Only with a human decision

  • Changing events or deadlines on this date in a shared calendar.

May

  • State the day number of June 13 and convert it between calendars with the calendar named.
  • Relay International Albinism Awareness Day and the feast of Saint Anthony of Padua, citing sources.

Moral aspects Filled

  • People with albinism face violence and discrimination in some regions, which the day addresses.
  • Religious feast days belong to their faith communities.

Who is affected

  • People with albinism
  • Catholic communities
  • Readers relying on dates

Owners Filled

Steward

Nobody owns a date; the UN and religious bodies answer for the observances they declare.

Links to other meta-models Filled

parent

  • Q11185294 - registry parent class

related

  • June - month
  • June 12 - 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-13
  • Wikidata: Q2614 (https://www.wikidata.org/wiki/Q2614)
  • ISO 8601: --06-13 recurring date

Direct properties not applicable Not applicable

  • day of year: 164 or 165 day - common year, leap year where different
  • days remaining: 201 days

Plane XCT: no invented physical properties.

Recognition optional Filled

  • Written 13 June or June 13
  • ISO format --06-13
  • 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 Q2614: June 13 - identity and sense of the item
  2. Wikipedia: June 13 - 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-q2614/spec.json