{"id": "card_floor_the_calendar", "kind": "note", "title": "The calendar — keeping time by sun and number", "body": "The day is one rotation (86400 s), the year one orbit (~365.2422 days); the Gregorian calendar approximates it as 365.2425 by a leap rule. Pillars rest on astronomy (the orbit and rotation) and metrology (the second). The stick (stick_the_calendar_keeping_time_by_sun_and_number) seals the seconds in a day and the Gregorian mean year (tools/seed_calendar.py).", "source": {"label": "Narrow Highway — cal", "url": "", "authority_tier": "engine_derived", "ref": "stick_the_calendar_keeping_time_by_sun_and_number"}, "shelf": "codex", "box": "cal", "bands": ["floor", "cal", "one map"], "subject": "The calendar — keeping time by sun and number", "connections": [{"to_card_id": "card_cal_the_day", "relationship": "has_part", "evidence": "a pillar (The day - one rotation)"}, {"to_card_id": "card_cal_the_year", "relationship": "has_part", "evidence": "a pillar (The year - one orbit and the leap rule)"}, {"to_card_id": "card_k_floor_of_discovery", "relationship": "part_of", "evidence": "the keeping of time on the one map, rooted in the Floor of Discovery"}], "author": "engine", "created_at": 0.0, "updated_at": 0.0, "visibility": "public", "lifecycle_stage": "public", "volatility": "permanent", "surface": "secular", "generated": false, "call": "codex.cal", "facets": {"subject": ["floor", "one map"]}, "presentation": {"glyph": "•", "kind_label": "cal", "by": "Narrow Highway — cal", "authority": "engine_derived", "posted": "", "standing": ""}, "neighbors": [{"id": "card_cal_the_day", "title": "The day - one rotation", "relationship": "has part", "why": "a pillar (The day - one rotation)", "href": "/card/card_cal_the_day", "resolved": true}, {"id": "card_cal_the_year", "title": "The year - one orbit and the leap rule", "relationship": "has part", "why": "a pillar (The year - one orbit and the leap rule)", "href": "/card/card_cal_the_year", "resolved": true}, {"id": "card_k_floor_of_discovery", "title": "The Floor of Discovery — one floor, and by its design the fear of God", "relationship": "part of", "why": "the keeping of time on the one map, rooted in the Floor of Discovery", "href": "/card/card_k_floor_of_discovery", "resolved": true}], "house": {"door": "FIND", "kind": "card", "trail": "connections", "seal": "/card/card_floor_the_calendar", "next_step": {"do": "follow a connection: what this card rests on, and what rests on it", "door": "FIND", "tool": "card_connections", "params": {"id": "card_floor_the_calendar"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}