The feature you’re referring to is likely the ability of a (in .NET , typically System.Text.Json ) to read and parse a DateTimeOffset value that is formatted according to RFC 3339 (which is a subset of ISO 8601 used by JSON, gRPC, and many web APIs).
The feature you’re referring to is likely the ability of a (in .NET , typically System.Text.Json ) to read and parse a DateTimeOffset value that is formatted according to RFC 3339 (which is a subset of ISO 8601 used by JSON, gRPC, and many web APIs).