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Published

August 29

vr.tr.august-29 · thing-q2816

Let an agent handle August 29 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 29 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 29 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 29, 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 29? 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 29, day 241 (day 242 in leap years) of the year in the Gregorian calendar, with 124 days remaining in both common and leap years. August 29 is the UN International Day against Nuclear Tests, marking the 1991 closure of the Semipalatinsk test site, and the anniversary of the Slovak National Uprising of 1944, a national holiday in Slovakia, and of Hurricane Katrina s landfall in Louisiana in 2005.

Why it exists Filled

Let an agent handle August 29 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.

Distinguishing features Filled

  • The twenty-ninth 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

  • Minimise the health harm suffered by people near nuclear test sites.
  • Present the Slovak holiday as observed in other countries.
  • Repeat disputed death tolls from Hurricane Katrina without a source.
  • List on-this-day events without sources.

Only with a human decision

  • Publishing statements on nuclear testing in an organisation's name.

May

  • Compute the weekday of August 29 in a given year.
  • Relay that August 29 is the UN International Day against Nuclear Tests, marking the 1991 closure of Semipalatinsk.
  • Relay the Slovak National Uprising anniversary as a holiday in Slovakia.

Moral aspects Filled

  • Communities near test sites still suffer illness from nuclear tests.
  • Disaster anniversaries are painful for survivors.

Who is affected

  • People near former test sites
  • Hurricane survivors
  • People of Slovakia

Owners Filled

Steward

Nobody owns a calendar date; the UN declares its observance and Slovakia its holiday.

Links to other meta-models Filled

parent

  • Q11187374 - registry parent class

related

  • August - month
  • August 28 - 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-29
  • Wikidata: Q2816 (https://www.wikidata.org/wiki/Q2816)
  • ISO 8601: --08-29 recurring date

Direct properties not applicable Not applicable

  • day of year: 241 or 242 day - common year, leap year where different
  • days remaining: 124 days

Plane XCT: no invented physical properties.

Recognition optional Filled

  • Written 29 August or August 29
  • ISO format --08-29
  • 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 Q2816: August 29 - identity and sense of the item
  2. Wikipedia: August 29 - 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-q2816/spec.json