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Published

July 29

vr.tr.july-29 · thing-q2717

Let an agent handle July 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 → 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 July 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 July 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 July 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 July 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

July 29, day 210 (day 211 in leap years) of the year in the Gregorian calendar, with 155 days remaining in both common and leap years. July 29 is International Tiger Day, Olsok in Norway commemorating Saint Olav, and the anniversary of the signing of the act that created NASA in 1958.

Why it exists Filled

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

Distinguishing features Filled

  • The twenty-ninth day of July
  • 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 the religious meaning of Olsok in a disrespectful or dismissive way.
  • Repeat unsourced anniversaries for July 29.
  • Use the date of an anniversary in the wrong calendar without noting the conversion.

Only with a human decision

  • Publishing an on-this-day list for a wide audience.

May

  • Relay events and observances of July 29, such as International Tiger Day and Olsok, with sources.
  • Explain the place of July 29 in the Gregorian calendar and in church calendars that keep Olsok.
  • Distinguish international days from national and religious commemorations on July 29.

Moral aspects Filled

  • Religious feasts on the date matter to the communities that keep them.
  • Tiger Day draws attention to an endangered animal; accurate figures support conservation honestly.

Who is affected

  • Readers
  • Religious communities
  • Conservation audiences

Owners Filled

Steward

Nobody: a calendar date is held in common.

Links to other meta-models Filled

parent

  • Q11187374 - registry parent class

related

  • July - month
  • July 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.july-29
  • Wikidata: Q2717 (https://www.wikidata.org/wiki/Q2717)
  • ISO 8601: --07-29 recurring date

Direct properties not applicable Not applicable

  • day of year: 210 or 211 day - common year, leap year where different
  • days remaining: 155 days

Plane XCT: no invented physical properties.

Recognition optional Filled

  • Written 29 July or July 29
  • ISO format --07-29
  • 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 Q2717: July 29 - identity and sense of the item
  2. Wikipedia: July 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

Card as JSON Specification Card backlog vercy.card/1

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q2717/spec.json