{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.june-1","code":"thing-q2625","url":"https://ver.cy/models/thing/q2625/","name":"June 1","alternateNames":["June 1, 1937"],"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 152nd day of the year in the Gregorian calendar (153rd in leap years), with 213 days remaining; observed in many countries as International Children Day and marking the start of meteorological summer in the Northern Hemisphere.","purpose":"Let an agent handle June 1 as a calendar date with day number, weekday computation, observances and sourced events.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["First day of June","Meteorological summer start (Northern Hemisphere)","Children Day in many countries","Weekday varies by year"],"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 June 1 fall in this year?","kind":"measurement"},{"text":"Is it a leap year?","kind":"boundary"}]}]},{"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":"children","name":"Children Day","description":"Observance.","findings":[{"id":"children-finding","name":"Children","description":"Children Day.","questions":[{"text":"Which countries observe Children Day on June 1?","kind":"provenance"},{"text":"Is it a public holiday there?","kind":"provenance"}]}]},{"id":"other","name":"Other observances","description":"Holidays.","findings":[{"id":"other-finding","name":"Other","description":"Other observances.","questions":[{"text":"Which other observances fall on this date?","kind":"provenance"},{"text":"From which official calendar?","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":"seasons","name":"Seasons","description":"Meteorological summer.","findings":[{"id":"seasons-finding","name":"Seasons","description":"Seasons.","questions":[{"text":"Why does meteorological summer start on June 1?","kind":"definition"},{"text":"How does it differ from astronomical summer?","kind":"definition"}]}]}]},{"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 June 1?","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":["List events, observances and anniversaries on June 1 with their sources.","Schedule reminders and deadlines falling on June 1 for the user."],"mustNot":["Attribute a birth, death or event to June 1 without a reliable source.","Mix up Julian and Gregorian dates when assigning historical events to June 1.","Present an observance as national or official where it is not."],"requiresHuman":["Publishing anniversary content about tragedies or victims."]},"ethics":{"considerations":["International Children's Day on this date calls for care with content about children.","Anniversaries of disasters and wars are painful for the people affected."],"affectedParties":["People commemorating events on the date","Readers relying on accurate history"]},"owners":{"steward":"Nobody: a calendar date is held in common.","roles":[],"masterSystems":[]},"relations":[{"target":"Q11186375","type":"parent","note":"registry parent class"},{"target":"June","type":"related","note":"month"},{"target":"calendar date","type":"related","note":"category"},{"target":"International Children Day","type":"related","note":"observance"},{"target":"ISO 8601","type":"related","note":"notation"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.june-1","Wikidata: Q2625 (https://www.wikidata.org/wiki/Q2625)","ISO 8601: --06-01 recurring date"]},"properties":{"applicability":"not-applicable","items":["day of year: 152 or 153 day - common or leap year","days remaining: 213 days"]},"recognition":{"applicability":"optional","items":["Written 1 June or June 1","ISO format --06-01","Specific years such as June 1, 1937 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":["Day-month order confusion","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 Q2625: June 1","url":"https://www.wikidata.org/wiki/Q2625","note":"identity and sense of the item"},{"title":"Wikipedia: June 1","url":"https://en.wikipedia.org/wiki/June_1","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-q2625/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q2625/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T07:58:53Z","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 2026-10-06T19:51:58+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}}