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Published

August 25

vr.tr.august-25 · thing-q2819

Let an agent handle August 25 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 → Questions Filled

4 bundles · 8 layers · 8 findings · 16 questions

Date Calendar facts.

Weekday

Computation.

Weekday

Weekday.

  1. On which weekday does August 25 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 August 25 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 August 25, 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 August 25? 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

August 25, day 237 (day 238 in leap years) of the year in the Gregorian calendar, with 128 days remaining in both common and leap years. August 25 is Independence Day in Uruguay, marking the 1825 declaration, and the anniversary of the liberation of Paris in 1944 and of Voyager 2 s closest approach to Neptune in 1989.

Why it exists Filled

Let an agent handle August 25 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.

Distinguishing features Filled

  • The twenty-fifth day of August
  • 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 a national holiday as observed everywhere.
  • Repeat birth details or private facts about a public figure from unreliable sources.
  • Add on-this-day events without a reliable source.
  • Shift dates between calendars without saying so.

Only with a human decision

  • Publishing commemorative content about wartime events tied to the date.

May

  • State August 25's position in the Gregorian year and list its observances and anniversaries with sources.
  • Present Uruguay's Independence Day with its historical context.

Moral aspects Filled

  • Anniversaries of liberation recall real suffering under occupation and should be marked accurately.

Who is affected

  • People of the countries marking the day
  • Readers

Owners Filled

Steward

The public: held in common; states set their own holidays.

Links to other meta-models Filled

parent

  • Q11187339 - registry parent class

related

  • August - month
  • August 24 - 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.august-25
  • Wikidata: Q2819 (https://www.wikidata.org/wiki/Q2819)
  • ISO 8601: --08-25 recurring date

Direct properties not applicable Not applicable

  • day of year: 237 or 238 day - common year, leap year where different
  • days remaining: 128 days

Plane XCT: no invented physical properties.

Recognition optional Filled

  • Written 25 August or August 25
  • ISO format --08-25
  • 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 Q2819: August 25 - identity and sense of the item
  2. Wikipedia: August 25 - 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

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q2819/spec.json