{
  "id": "data/json-schema-format-date-time-ambiguity",
  "signature": "JSON Schema validation fails: format 'date-time' rejects valid ISO 8601 timestamps with timezone offset",
  "signature_zh": "JSON Schema 验证失败：format 'date-time' 拒绝带时区偏移的合法 ISO 8601 时间戳",
  "regex": ".*format.*date-time.*reject.*|.*is not a.*date-time.*",
  "domain": "data",
  "category": "validation_error",
  "subcategory": null,
  "root_cause": "JSON Schema's 'date-time' format in some validators (e.g., older versions of ajv) requires timestamps to end with 'Z' (UTC) and rejects valid ISO 8601 offsets like '+05:30' or '-08:00'.",
  "root_cause_type": "generic",
  "root_cause_zh": "某些验证器（如旧版 ajv）中 JSON Schema 的 'date-time' 格式要求时间戳以 'Z'（UTC）结尾，拒绝像 '+05:30' 或 '-08:00' 这样的合法 ISO 8601 偏移。",
  "versions": [
    {
      "version": "ajv 6.12.6",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "jsonschema 4.17.3",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "json-schema-validator 4.0.1",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Changes the data value, potentially breaking downstream timezone-sensitive logic. Also requires modifying the data source, which may not always be feasible.",
      "fail_rate": 0.6,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Validates only the date part, ignoring time entirely, which may not meet the schema's intent.",
      "fail_rate": 0.75,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Update to a newer validator version that supports RFC 3339 full format: npm install ajv@8.12.0 (for JavaScript) or pip install jsonschema[format-nongpl] (for Python, which uses rfc3339-validator).",
      "success_rate": 0.9,
      "how": "Update to a newer validator version that supports RFC 3339 full format: npm install ajv@8.12.0 (for JavaScript) or pip install jsonschema[format-nongpl] (for Python, which uses rfc3339-validator).",
      "condition": "",
      "sources": []
    },
    {
      "action": "Use a custom format validator that accepts all ISO 8601 timezone offsets. Example in Python: from jsonschema import validators; from rfc3339_validator import validate_rfc3339; validator = validators.validate(..., format_checker=validators.Draft7Validator.FORMAT_CHECKER.replaces('date-time', lambda instance: validate_rfc3339(instance)))",
      "success_rate": 0.85,
      "how": "Use a custom format validator that accepts all ISO 8601 timezone offsets. Example in Python: from jsonschema import validators; from rfc3339_validator import validate_rfc3339; validator = validators.validate(..., format_checker=validators.Draft7Validator.FORMAT_CHECKER.replaces('date-time', lambda instance: validate_rfc3339(instance)))",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Update to a newer validator version that supports RFC 3339 full format: npm install ajv@8.12.0 (for JavaScript) or pip install jsonschema[format-nongpl] (for Python, which uses rfc3339-validator).",
    "Use a custom format validator that accepts all ISO 8601 timezone offsets. Example in Python: from jsonschema import validators; from rfc3339_validator import validate_rfc3339; validator = validators.validate(..., format_checker=validators.Draft7Validator.FORMAT_CHECKER.replaces('date-time', lambda instance: validate_rfc3339(instance)))"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://json-schema.org/understanding-json-schema/reference/string.html#dates-and-times",
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.83,
  "fix_success_rate": 0.85,
  "resolvable": "true",
  "first_seen": "2023-08-12",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}