January 22
Let an agent handle January 22 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 January 22 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 January 22 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 January 22, 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 January 22? 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
January 22, day 22 of the year in the Gregorian calendar, with 343 days remaining (344 in leap years). Observances on this date vary by country and tradition.
Why it exists Filled
Let an agent handle January 22 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.
Distinguishing features Filled
- The twenty-second day of January
- 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 one country's observance as universal.
- Confuse Gregorian dates with dates in other calendars without saying so.
- Invent events or anniversaries for the date.
Only with a human decision
- Scheduling actions on this date that affect other people.
May
- Compute and state the date, day of the year and days remaining.
- List observances on this date with the country or tradition they belong to.
Moral aspects Filled
- Dates carry anniversaries that are joyful for some and painful for others.
- Calendar errors can cause missed deadlines and legal consequences.
Who is affected
- People who mark observances on it
- People relying on dates
Owners Filled
Steward
The public: held in common.
Links to other meta-models Filled
parent
- Q11187269 - registry parent class
related
- January - month
- January 21 - 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.january-22
- Wikidata: Q2275 (https://www.wikidata.org/wiki/Q2275)
- ISO 8601: --01-22 recurring date
Direct properties not applicable Not applicable
- day of year: 22 day - common year, leap year where different
- days remaining: 343 or 344 days
Plane XCT: no invented physical properties.
Recognition optional Filled
- Written 22 January or January 22
- ISO format --01-22
- 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 Q2275: January 22 - identity and sense of the item
- Wikipedia: January 22 - 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-q2275/spec.json