{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.may","code":"thing-q119","url":"https://ver.cy/models/thing/q119/","name":"May","alternateNames":[],"kind":"thing","status":"published","version":"0.2.0-wave.4","language":"en","classifiers":{"family":"Thing Registry","category":"Information and virtual systems","entryKind":"thing","plane":"INF","domain":["INF.KNW"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"The fifth month of the year in the Julian and Gregorian calendars, with 31 days, running from day 121 to day 151 in common years and from day 122 to day 152 in leap years, its name commonly traced to the Roman goddess Maia, with observances such as May Day and International Workers Day on 1 May, Victory in Europe Day on 8 May, marked on 9 May in Russia and some other countries, Europe Day on 9 May and Mother s Day on the second Sunday in many countries; it is late spring in the Northern Hemisphere and late autumn in the Southern Hemisphere.","purpose":"Let an agent explain May as a calendar month, relay length, position, etymology and common observances from calendar and cultural sources, and distinguish May from the modal verb may, May Day as a single date and months in other calendars, noting that observances vary by country and year.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Fifth month","Spring in the north","Labour and victory observances","Named after a goddess by tradition"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What May is.","layers":[{"id":"definition","name":"Definition","description":"Definition.","findings":[{"id":"definition-finding","name":"Definition","description":"Definition.","questions":[{"text":"What is May, and how does it relate to May Day, the verb may and months in other calendars?","kind":"definition"},{"text":"Is the question about dates, seasons, holidays or etymology?","kind":"boundary"}]}]},{"id":"days","name":"Days","description":"Days of May.","findings":[{"id":"days-finding","name":"Days","description":"Days.","questions":[{"text":"Which days of May have entries, and what day-of-year numbers do they have?","kind":"measurement"},{"text":"Which entry fits the specific day?","kind":"action"}]}]}]},{"id":"calendar","name":"Calendar","description":"Calendar history.","layers":[{"id":"etymology","name":"Etymology","description":"Etymology.","findings":[{"id":"etymology-finding","name":"Etymology","description":"Etymology.","questions":[{"text":"What explanations exist for the name May?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"seasons","name":"Seasons","description":"Seasons.","findings":[{"id":"seasons-finding","name":"Seasons","description":"Seasons.","questions":[{"text":"How does May differ between hemispheres?","kind":"provenance"},{"text":"Which sources are cited?","kind":"provenance"}]}]}]},{"id":"culture","name":"Culture","description":"Observances.","layers":[{"id":"labour","name":"Labour","description":"May Day.","findings":[{"id":"labour-finding","name":"Labour","description":"Labour.","questions":[{"text":"How did 1 May become International Workers Day and a spring festival?","kind":"provenance"},{"text":"Which entry fits International Workers Day?","kind":"action"}]}]},{"id":"victory","name":"Victory","description":"Victory in Europe.","findings":[{"id":"victory-finding","name":"Victory","description":"Victory.","questions":[{"text":"Why is the end of the Second World War in Europe marked on 8 May or 9 May?","kind":"provenance"},{"text":"Which entry fits Victory in Europe Day?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"Other observances.","layers":[{"id":"europe","name":"Europe Day","description":"Europe Day.","findings":[{"id":"europe-finding","name":"Europe Day","description":"Europe Day.","questions":[{"text":"What does Europe Day on 9 May commemorate?","kind":"provenance"},{"text":"Which entry fits Schuman Declaration?","kind":"action"}]}]},{"id":"mothers","name":"Mother s Day","description":"Mother s Day.","findings":[{"id":"mothers-finding","name":"Mother s Day","description":"Mother s Day.","questions":[{"text":"Why do many countries mark Mother s Day in May while others do not?","kind":"provenance"},{"text":"Which entry fits Mother s Day?","kind":"action"}]}]}]}]},"agentConduct":{"may":["State May's length and day numbers correctly for common and leap years.","Note that May observances, such as May Day, differ between countries."],"mustNot":["Confuse the month May with the modal verb or a person's name in data.","Present one country's May holiday as universal.","Misreport the origin of the month's name as certain where it is disputed."],"requiresHuman":["Fixing a legally binding deadline in May."]},"ethics":{"considerations":["May Day carries labour movement memory for many communities."],"affectedParties":["People relying on dates","Workers commemorating May Day"]},"owners":{"steward":"Nobody owns it; calendar authorities and states set official dates and holidays.","roles":[],"masterSystems":[]},"relations":[{"target":"Q18602249","type":"parent","note":"registry parent class"},{"target":"month of the Gregorian calendar","type":"related","note":"in registry terms"},{"target":"April","type":"related"},{"target":"June","type":"related"},{"target":"International Workers Day","type":"contains"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.may","Wikidata: Q119 (https://www.wikidata.org/wiki/Q119)"]},"properties":{"applicability":"not-applicable","items":["days: 31 count","day of year range: 121-151 in common years, 122-152 in leap years note","etymology: commonly traced to Maia note - Ovid and others offered alternatives","ISO 8601 number: 05 code"]},"recognition":{"applicability":"optional","items":["Fifth month of the Gregorian calendar","May","May Day is 1 May; the verb may is modal; other calendars have different months","Not a visible object; a calendar period."]},"capabilities":{"applicability":"required","items":["explain position and length","relay etymology","describe observances","distinguish related concepts"]},"hazards":{"applicability":"required","items":["Assuming Northern Hemisphere seasons","Stating moveable observances as fixed","Confusing VE Day dates across countries"]},"interfaces":{"applicability":"required","items":["ISO 8601 date representation","National public holiday laws"]},"context":{"applicability":"required","items":["Organising time within the year.","days of May","May observances","May in different hemispheres"]}},"sources":[{"title":"Wikidata item Q119: May","url":"https://www.wikidata.org/wiki/Q119","note":"identity and sense of the item"},{"title":"Wikipedia: May","url":"https://en.wikipedia.org/wiki/May","note":"general description of the item"}],"openQuestions":["Should observances be linked individually?","How should calendar sources be linked?","How should moveable holidays be recorded?"],"resources":{"spec":"/models/things/publications/thing-q119/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q119/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-13T21:27:04Z","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 2026-10-06T19:51:53+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane INF: no invented physical properties."},"score":1.0}}