June 17
Let an agent handle June 17 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 June 17 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 June 17 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 June 17, 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 June 17? 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
June 17, day 168 (day 169 in leap years) of the year in the Gregorian calendar, with 197 days remaining in both common and leap years. June 17 is the World Day to Combat Desertification and Drought, the National Day of Iceland marking the founding of the republic in 1944, and the anniversary of the 1953 uprising in East Germany.
Why it exists Filled
Let an agent handle June 17 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.
Distinguishing features Filled
- The seventeenth day of June
- 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
- Misstate land degradation or drought figures, or present old figures as current.
- Use the observance to promote products as if endorsed by its organisers.
- Attribute events to June 17 without a source.
- Treat June 17 as a public holiday where it is not one.
Only with a human decision
- Publishing campaigns or appeals tied to the observance on someone's behalf.
May
- Give the day number of June 17 and list its observances from reliable sources.
- Share accurate facts on desertification and drought for the World Day to Combat Desertification.
Moral aspects Filled
- Drought and desertification hit poor rural communities hardest.
- Awareness days invite misleading appeals and greenwashing.
Who is affected
- Drylands communities
- Donors and campaigners
Owners Filled
Steward
Nobody owns a date; the UN body on desertification leads the observance.
Links to other meta-models Filled
parent
- Q11185437 - registry parent class
related
- June - month
- June 16 - 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.june-17
- Wikidata: Q2672 (https://www.wikidata.org/wiki/Q2672)
- ISO 8601: --06-17 recurring date
Direct properties not applicable Not applicable
- day of year: 168 or 169 day - common year, leap year where different
- days remaining: 197 days
Plane XCT: no invented physical properties.
Recognition optional Filled
- Written 17 June or June 17
- ISO format --06-17
- 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 Q2672: June 17 - identity and sense of the item
- Wikipedia: June 17 - 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-q2672/spec.json