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Published

May 26

vr.tr.may-26 · thing-q2586

Let an agent handle May 26 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 26 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 26 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 26, 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 26? 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 26, day 146 (day 147 in leap years) of the year in the Gregorian calendar, with 219 days remaining in both common and leap years. May 26 is Independence Day in Georgia marking 1918 and in Guyana marking 1966, National Sorry Day in Australia remembering the Stolen Generations, and the anniversary of the coronation of Tsar Nicholas II in 1896 and of the publication of Bram Stoker s Dracula in 1897.

Why it exists Filled

Let an agent handle May 26 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.

Distinguishing features Filled

  • The twenty-sixth 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

  • Merge the independence days of different countries into one.
  • Report on-this-day facts without a source.
  • Mix calendar systems when dating events on May 26.

Only with a human decision

  • Scheduling official deadlines in a country where it is a public holiday.

May

  • Compute the weekday and day of year for May 26 in a given year.
  • List observances such as Independence Day in Georgia and in Guyana, naming each country.

Moral aspects Filled

  • Independence days carry national memory for each country that keeps them.
  • Wrong dates can disrupt travel and deadlines.

Who is affected

  • People of Georgia
  • People of Guyana
  • People with deadlines that day

Owners Filled

Steward

Nobody owns a date; each observance belongs to the state that keeps it.

Links to other meta-models Filled

parent

  • Q11187341 - registry parent class

related

  • May - month
  • May 25 - 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-26
  • Wikidata: Q2586 (https://www.wikidata.org/wiki/Q2586)
  • ISO 8601: --05-26 recurring date

Direct properties not applicable Not applicable

  • day of year: 146 or 147 day - common year, leap year where different
  • days remaining: 219 days

Plane XCT: no invented physical properties.

Recognition optional Filled

  • Written 26 May or May 26
  • ISO format --05-26
  • 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 Q2586: May 26 - identity and sense of the item
  2. Wikipedia: May 26 - 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-q2586/spec.json