{"id": "card_cal_the_day", "kind": "reference", "title": "The day - one rotation", "body": "A day is one turn of the Earth, 24 x 60 x 60 = 86400 seconds (sealed); the base-60 division is Babylonian, the second now an SI unit.", "source": {"label": "Narrow Highway — cal", "url": "", "authority_tier": "engine_derived"}, "shelf": "codex", "box": "cal", "bands": ["cal", "pillar", "the_day", "one map"], "subject": "The day - one rotation", "connections": [{"to_card_id": "card_floor_the_calendar", "relationship": "part_of", "evidence": "a pillar (The day - one rotation)"}, {"to_card_id": "card_floor_astronomy", "relationship": "connects_at", "evidence": "the day is one rotation of the Earth"}, {"to_card_id": "card_floor_metrology", "relationship": "connects_at", "evidence": "the second is the SI base unit of time"}], "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": ["one map", "pillar", "the_day"]}, "presentation": {"glyph": "•", "kind_label": "cal", "by": "Narrow Highway — cal", "authority": "engine_derived", "posted": "", "standing": ""}, "neighbors": [{"id": "card_floor_the_calendar", "title": "The calendar — keeping time by sun and number", "relationship": "part of", "why": "a pillar (The day - one rotation)", "href": "/card/card_floor_the_calendar", "resolved": true}, {"id": "card_floor_astronomy", "title": "Astronomy — orbits, distances, and the cosmos", "relationship": "connects at", "why": "the day is one rotation of the Earth", "href": "/card/card_floor_astronomy", "resolved": true}, {"id": "card_floor_metrology", "title": "Metrology — measurement and the SI", "relationship": "connects at", "why": "the second is the SI base unit of time", "href": "/card/card_floor_metrology", "resolved": true}], "house": {"door": "FIND", "kind": "card", "trail": "connections", "seal": "/card/card_cal_the_day", "next_step": {"do": "follow a connection: what this card rests on, and what rests on it", "door": "FIND", "tool": "card_connections", "params": {"id": "card_cal_the_day"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}