{"id":"iso-date-from-day-of-year","version":"1.0.0","description":"Convert a calendar year and ordinal day number (1-366) to a YYYY-MM-DD date.","supported_operations":["iso date from day of year","date from ordinal day","nth day of year to date"],"unsupported_operations":["ISO ordinal date strings","timezones","fiscal year"],"semantics":["year is a JSON integer 1-9999. day_of_year is a JSON integer 1-366.","day_of_year 366 is rejected unless year is a leap year.","Output date is the zero-padded YYYY-MM-DD calendar date whose 1-based ordinal position in year equals day_of_year."],"limits":{"year_min":1,"year_max":9999},"pricing":{"status":"unpriced","charge_usd":null},"input_schema":{"type":"object","additionalProperties":false,"required":["year","day_of_year"],"properties":{"year":{"type":"integer","minimum":1,"maximum":9999},"day_of_year":{"type":"integer","minimum":1,"maximum":366}}},"output_schema":{"type":"object","additionalProperties":false,"required":["date"],"properties":{"date":{"type":"string","minLength":10,"maxLength":10}}},"examples":[{"input":{"year":2026,"day_of_year":1},"output":{"date":"2026-01-01"}},{"input":{"year":2024,"day_of_year":366},"output":{"date":"2024-12-31"}}],"execute_url":"/v1/tools/iso-date-from-day-of-year/versions/1.0.0/execute"}