{"id":"iso-date-month-end","version":"1.0.0","description":"Return the last valid calendar day of the year-month of a YYYY-MM-DD date.","supported_operations":["iso date month end","last day of month","end of calendar month"],"unsupported_operations":["last business day","last weekday","ISO week end","time zones","datetime with time","fiscal month end"],"semantics":["date is a proleptic Gregorian UTC calendar date YYYY-MM-DD with years 0001-9999.","Output is the last valid day of that year-month.","February is 29 in proleptic Gregorian leap years and 28 otherwise.","No business-day or weekday adjustment is applied."],"limits":{"min_year":1,"max_year":9999},"pricing":{"status":"unpriced","charge_usd":null},"input_schema":{"type":"object","additionalProperties":false,"required":["date"],"properties":{"date":{"type":"string","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10}}},"output_schema":{"type":"object","additionalProperties":false,"required":["date"],"properties":{"date":{"type":"string","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10}}},"examples":[{"input":{"date":"2024-02-10"},"output":{"date":"2024-02-29"}}],"execute_url":"/v1/tools/iso-date-month-end/versions/1.0.0/execute"}