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Published

June 15

vr.tr.june-15 · thing-q2613

Let an agent handle June 15 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 15 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 15 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 15, 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 15? 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 15, day 166 (day 167 in leap years) of the year in the Gregorian calendar, with 199 days remaining in both common and leap years. The United Nations observes World Elder Abuse Awareness Day on this date, and June 15 is the anniversary of the sealing of Magna Carta in 1215; other observances vary by country and tradition.

Why it exists Filled

Let an agent handle June 15 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.

Distinguishing features Filled

  • The fifteenth 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

  • Share details of individual elder abuse cases that identify victims.
  • Overstate what Magna Carta guaranteed or present it as current law everywhere.
  • Convert medieval dates to the Gregorian calendar without saying which calendar a source used.
  • Present local observances on June 15 as universal.

Only with a human decision

  • Reporting a suspected case of elder abuse raised in connection with the awareness day.

May

  • Compute the weekday and day number of June 15 for any given year.
  • Mention World Elder Abuse Awareness Day and attribute it to the United Nations.
  • Relay the sealing of Magna Carta in 1215 and other events with cited sources.

Moral aspects Filled

  • Older people experiencing abuse deserve privacy and protection, not exposure.
  • Historic documents are often mythologised; accuracy respects both history and readers.

Who is affected

  • Older people
  • Families and carers
  • Readers of date lists

Owners Filled

Steward

Nobody owns a date; the United Nations and other bodies own the observances they declare.

Links to other meta-models Filled

parent

  • Q11185379 - registry parent class

related

  • June - month
  • June 14 - 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-15
  • Wikidata: Q2613 (https://www.wikidata.org/wiki/Q2613)
  • ISO 8601: --06-15 recurring date

Direct properties not applicable Not applicable

  • day of year: 166 or 167 day - common year, leap year where different
  • days remaining: 199 days

Plane XCT: no invented physical properties.

Recognition optional Filled

  • Written 15 June or June 15
  • ISO format --06-15
  • 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 Q2613: June 15 - identity and sense of the item
  2. Wikipedia: June 15 - 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-q2613/spec.json