August 27
Let an agent handle August 27 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.
Bundle → Layer → Finding → Questions Filled
4 bundles · 8 layers · 8 findings · 16 questions
Date Calendar facts.
Weekday
Computation.
Weekday
Weekday.
- On which weekday does August 27 fall in this year? measurement
- Is it a leap year? boundary
Calendar
Julian or Gregorian.
Calendar
Calendar system.
- Is the Julian or Gregorian calendar meant? boundary
- What is the equivalent date in the other calendar? measurement
Observances Holidays.
Holiday
Public holiday.
Holiday
Holiday status.
- Is August 27 a public holiday or observance here? provenance
- Which tradition or law sets it? provenance
Attribution
Traditions.
Attribution
Attributed observances.
- Which countries or communities observe something on this date, according to them? provenance
- Is the observance attributed rather than assumed? boundary
History Past events.
Events
On this day.
Events
Historical events.
- Which notable events happened on August 27, according to reliable sources? provenance
- Are dates given in the same calendar? boundary
Anniversaries
Recurring.
Anniversaries
Anniversaries.
- Which anniversaries fall on this date this year? provenance
- Which are round numbers? measurement
Planning Scheduling.
Countdown
Days until.
Countdown
Countdown.
- How many days until the next August 27? measurement
- From which date? definition
Work
Working day.
Work
Working day.
- Is it a working day for this organisation? provenance
- 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 27, day 239 (day 240 in leap years) of the year in the Gregorian calendar, with 126 days remaining in both common and leap years. August 27 is Independence Day in Moldova marking 1991 and the anniversary of the eruption of Krakatoa in 1883, whose explosions were heard thousands of kilometres away, and of the drilling of the Drake well in Pennsylvania in 1859, often cited as the start of the modern oil industry.
Why it exists Filled
Let an agent handle August 27 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.
Distinguishing features Filled
- The twenty-seventh 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
- Assume observances are universal.
- Report on-this-day events, such as the Krakatoa eruption, without sources.
- Mix Julian and Gregorian dates.
Only with a human decision
- Scheduling official events on Moldova's national day.
May
- Compute day numbers and remaining days for August 27.
- List observances such as Moldova's Independence Day with year.
Moral aspects Filled
- Disaster anniversaries deserve accurate and respectful retelling.
Who is affected
- People in Moldova
- Readers
Owners Filled
Steward
Nobody owns it; it is a calendar date.
Links to other meta-models Filled
parent
- Q11187356 - registry parent class
related
- August - month
- August 26 - 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-27
- Wikidata: Q2822 (https://www.wikidata.org/wiki/Q2822)
- ISO 8601: --08-27 recurring date
Direct properties not applicable Not applicable
- day of year: 239 or 240 day - common year, leap year where different
- days remaining: 126 days
Plane XCT: no invented physical properties.
Recognition optional Filled
- Written 27 August or August 27
- ISO format --08-27
- 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
- Wikidata item Q2822: August 27 - identity and sense of the item
- Wikipedia: August 27 - 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-q2822/spec.json