Custom ParameterConverter vs Manual Parsing for ZonedDateTime with IANA Zones in Ktor Routes
Ktor 2.x lacks a built-in ParameterConverter for java.time.ZonedDateTime that understands IANA time zone identifiers such as America/New_York . Two documented approaches exist: register a custom ParameterConverter<ZonedDateTime> via Application.convertForParameters() that parses ISO-8601 strings containing zone offsets or IDs, or accept the time zone a