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Published

May 12

vr.tr.may-12 · thing-q2559

Let an agent handle May 12 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 May 12 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 May 12 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 May 12, 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 May 12? 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

May 12, day 132 (day 133 in leap years) of the year in the Gregorian calendar, with 233 days remaining in both common and leap years. May 12 is observed as International Nurses Day, marking the birthday of Florence Nightingale, and the United Nations observes the International Day of Plant Health on this date; other observances vary by country and tradition.

Why it exists Filled

Let an agent handle May 12 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.

Distinguishing features Filled

  • The twelfth day of May
  • 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 observances on May 12 as universal or legally binding.
  • State on-this-day events for May 12 without sources.
  • Use International Nurses Day to praise nurses while misrepresenting their pay or working conditions.
  • Mix Julian and Gregorian dates when listing events on May 12.

Only with a human decision

  • Publishing official messaging for health workers on International Nurses Day.

May

  • Compute the weekday and day number of May 12 for any year in the Gregorian calendar.
  • Note International Nurses Day and the International Day of Plant Health, attributing each to its source.

Moral aspects Filled

  • Recognition days can honour workers or be used to deflect from their conditions.
  • Unsourced on-this-day lists spread false history.

Who is affected

  • Nurses
  • Readers
  • Plant health workers

Owners Filled

Steward

Nobody: a calendar date held in common.

Links to other meta-models Filled

parent

  • Q11185262 - registry parent class

related

  • May - month
  • May 11 - 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.may-12
  • Wikidata: Q2559 (https://www.wikidata.org/wiki/Q2559)
  • ISO 8601: --05-12 recurring date

Direct properties not applicable Not applicable

  • day of year: 132 or 133 day - common year, leap year where different
  • days remaining: 233 days

Plane XCT: no invented physical properties.

Recognition optional Filled

  • Written 12 May or May 12
  • ISO format --05-12
  • 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 Q2559: May 12 - identity and sense of the item
  2. Wikipedia: May 12 - 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-q2559/spec.json