{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.february-16","code":"thing-q2342","url":"https://ver.cy/models/thing/q2342/","name":"February 16","alternateNames":["February 16, 1916"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Cross-cutting context","entryKind":"thing","plane":"XCT","domain":["XCT.TME"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"The 47th day of the year in the Gregorian calendar, with 318 days remaining (319 in leap years); observed as an independence or restoration day in some countries, such as Lithuania State Restoration Day.","purpose":"Let an agent handle February 16 as a calendar date with day number, weekday computation, observances and sourced historical events.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["47th day of the year","Same day number in all years","Weekday varies by year","National observances in some states"],"structure":{"bundles":[{"id":"date","name":"Date","description":"Calendar facts.","layers":[{"id":"weekday","name":"Weekday","description":"Computation.","findings":[{"id":"weekday-finding","name":"Weekday","description":"Weekday.","questions":[{"text":"On which weekday does February 16 fall in this year?","kind":"measurement"},{"text":"In which calendar?","kind":"definition"}]}]},{"id":"format","name":"Format","description":"Notation.","findings":[{"id":"format-finding","name":"Format","description":"Date format.","questions":[{"text":"How should the date be written for this audience?","kind":"action"},{"text":"Is ISO format needed?","kind":"boundary"}]}]}]},{"id":"observances","name":"Observances","description":"Holidays.","layers":[{"id":"holidays","name":"Holidays","description":"Public holidays.","findings":[{"id":"holidays-finding","name":"Holidays","description":"Observances.","questions":[{"text":"Which countries observe a holiday on this date?","kind":"provenance"},{"text":"Is it a public holiday?","kind":"provenance"}]}]},{"id":"events","name":"Events","description":"Ceremonies.","findings":[{"id":"events-finding","name":"Events","description":"Ceremonies.","questions":[{"text":"What official events mark it?","kind":"provenance"},{"text":"Where are schedules?","kind":"provenance"}]}]}]},{"id":"history","name":"History","description":"Past events.","layers":[{"id":"events","name":"Events","description":"On this day.","findings":[{"id":"events-finding","name":"Events","description":"Historical events.","questions":[{"text":"Which notable events happened on this date, according to reliable sources?","kind":"provenance"},{"text":"Are dates in the same calendar?","kind":"boundary"}]}]},{"id":"calendar-change","name":"Calendar change","description":"Old style dates.","findings":[{"id":"calendar-change-finding","name":"Calendar change","description":"Old style dates.","questions":[{"text":"Was the event dated in the Julian calendar?","kind":"boundary"},{"text":"How is it converted?","kind":"action"}]}]}]},{"id":"planning","name":"Planning","description":"Scheduling.","layers":[{"id":"countdown","name":"Countdown","description":"Days until.","findings":[{"id":"countdown-finding","name":"Countdown","description":"Countdown.","questions":[{"text":"How many days until the next February 16?","kind":"measurement"},{"text":"From which date?","kind":"definition"}]}]},{"id":"anniversaries","name":"Anniversaries","description":"Recurring.","findings":[{"id":"anniversaries-finding","name":"Anniversaries","description":"Anniversaries.","questions":[{"text":"Which anniversaries fall on this date this year?","kind":"provenance"},{"text":"Which are round numbers?","kind":"measurement"}]}]}]}]},"agentConduct":{"may":["Report events, observances and anniversaries on this date with sources.","Convert the date between calendars and time zones."],"mustNot":["Invent historical events for the date.","Present a contested commemoration as accepted by all sides.","Mix up this date across calendar systems without saying so."],"requiresHuman":["Publishing commemorative content on behalf of an institution."]},"ethics":{"considerations":["National days can carry painful history for some communities.","Accurate dates matter for records and commemorations."],"affectedParties":["Communities who observe the date","Readers"]},"owners":{"steward":"Nobody owns a date; states set official observances.","roles":[],"masterSystems":[]},"relations":[{"target":"Q11185405","type":"parent","note":"registry parent class"},{"target":"February","type":"related","note":"month"},{"target":"calendar date","type":"related","note":"category"},{"target":"Lithuanian State Restoration Day","type":"related","note":"observance"},{"target":"ISO 8601","type":"related","note":"notation"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.february-16","Wikidata: Q2342 (https://www.wikidata.org/wiki/Q2342)","ISO 8601: --02-16 recurring date"]},"properties":{"applicability":"not-applicable","items":["day of year: 47 day - Gregorian","days remaining: 318 or 319 days - common or leap year"]},"recognition":{"applicability":"optional","items":["Written 16 February or February 16","ISO format --02-16","Specific years such as February 16, 1916 are separate","A date on calendars."]},"capabilities":{"applicability":"required","items":["compute its weekday in a given year","list observances","find sourced historical events","schedule events"]},"hazards":{"applicability":"required","items":["Date format confusion between day-month and month-day","Unsourced on-this-day events"]},"interfaces":{"applicability":"required","items":["ISO 8601","National public holiday laws"]},"context":{"applicability":"required","items":["A calendar date for scheduling, anniversaries and observances.","the recurring calendar date","specific dated days in given years"]}},"sources":[{"title":"Wikidata item Q2342: February 16","url":"https://www.wikidata.org/wiki/Q2342","note":"identity and sense of the item"},{"title":"Wikipedia: February 16","url":"https://en.wikipedia.org/wiki/February_16","note":"general description of the item"}],"openQuestions":["Should dated days be separate entries?","How should observances be linked?","How should events be sourced?"],"resources":{"spec":"/models/things/publications/thing-q2342/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q2342/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T07:40:02Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:57+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane XCT: no invented physical properties."},"score":1.0}}