{"uid":"cap_CIdEhyc4Z_JJOj14Y34BT","slug":"lilambd-koyomi-range-japanese-calendar-day-query-fe3fc0db","name":"Lilambd Koyomi Range — Japanese Calendar Day Query","description":"A crossing for play, feeling, language, science and computation — creating states that do not have names yet.","url":"https://api.lilambd.com/koyomi/range?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["from","to"],"properties":{"to":{"type":"string","description":"to (string)"},"tz":{"type":"string","description":"tz (number)"},"has":{"type":"string","description":"e.g. 一粒万倍日, 大安, 立冬"},"from":{"type":"string","description":"from (string)"}},"additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"data":[],"count":0,"attribution":"source licence line"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_U7UO_FdxziwtVNdgYuPeK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a list of traditional Japanese calendar days (koyomi) and their associated day-quality annotations within a specified date range, optionally filtered by timezone and day type.","exampleAgentPrompt":"Can you find all 一粒万倍日 and 大安 days between January 1 and March 31 2025, using Tokyo time (Asia/Tokyo)?","exampleUseCases":[{"title":"Wedding date planning with 大安","prompt":"I'm planning a wedding sometime between June and August 2025 — can you find all 大安 days in that window so I can pick an auspicious date?"},{"title":"Business launch on 天赦日","prompt":"We want to open our new shop on an especially lucky day. Can you pull all 天赦日 and 一粒万倍日 days between April 1 and April 30 2025 in Japan Standard Time?"},{"title":"Seasonal solar term awareness","prompt":"Can you list all traditional seasonal markers like 立冬 and 冬至 that fall between November 1 and December 31 2025?"}],"resultDescription":"A JSON object containing an array of calendar day records matching the query (data), a count of matching days, and an attribution string crediting the data source licence. Each record describes a specific date and its traditional Japanese calendar day quality or annotation.","failureModes":["Missing required 'from' or 'to' parameters returns an error","Invalid date format for 'from' or 'to' may return empty results or an error","Unknown or misspelled 'has' filter values return empty results","Invalid timezone string in 'tz' may cause unexpected results or an error","Date range too large may return empty or truncated results","Payment not authorised (x402) returns a 402 response before data is served"],"whenToPreferThis":"Choose this endpoint when you need to look up or filter traditional Japanese calendar days (koyomi), including rokuyō cycle days (大安, 仏滅, etc.), auspicious days (一粒万倍日, 天赦日), or seasonal solar terms (立冬, 冬至) within a specific date range. It is ideal for cultural event planning, scheduling in Japan, or any application that needs to annotate dates with traditional almanac significance. Prefer it over generic calendar APIs when Japanese cultural day-quality metadata is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-02T18:33:50.713Z","isFirstParty":false,"canonicalSlug":"lilambd-koyomi-range-japanese-calendar-day-query-fe3fc0db"}