{"id":"iso-date-difference","version":"1.0.0","description":"Whole days from start to end as a canonical integer string (end - start).","supported_operations":["iso date difference","days between dates","date minus date"],"unsupported_operations":["business days","timezones","hours","locale"],"semantics":["Both dates are strict YYYY-MM-DD as iso-date-add.","days is the signed canonical integer string of (end - start) in civil days.","Same date -> \"0\". end before start is negative."],"limits":{"year_min":1,"year_max":9999},"pricing":{"status":"unpriced","charge_usd":null},"input_schema":{"type":"object","additionalProperties":false,"required":["start","end"],"properties":{"start":{"type":"string","minLength":10,"maxLength":10},"end":{"type":"string","minLength":10,"maxLength":10}}},"output_schema":{"type":"object","additionalProperties":false,"required":["days"],"properties":{"days":{"type":"string"}}},"examples":[{"input":{"start":"2026-09-10","end":"2026-09-11"},"output":{"days":"1"}},{"input":{"start":"2024-02-28","end":"2024-03-01"},"output":{"days":"2"}}],"execute_url":"/v1/tools/iso-date-difference/versions/1.0.0/execute"}