Which mechanism in OAS 3.0 enforces regional time zone constraints for date-time formats?
The OpenAPI Specification (OAS) 3.0 utilizes the string type with a format: date-time modifier to represent timestamps. According to the specification, this format adheres to RFC 3339, which allows for the inclusion of a time zone offset. While RFC 3339 supports offsets, the specification does not define a native way to mandate a specific regional time zone
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