I a n a timezones

{
  "description" : "IANA Timezone Codes",
  "compose" : {
    "exclude" : [ ],
    "include" : [ {
      "system" : "https://www.iana.org/time-zones"
    } ]
  },
  "date" : "2019-11-01T09:29:23+11:00",
  "meta" : {
    "lastUpdated" : "2019-11-01T09:29:23.356+11:00",
    "profile" : [ "http://hl7.org/fhir/StructureDefinition/shareablevalueset" ]
  },
  "publisher" : "HL7 International - FHIR-Infrastructure",
  "name" : "IANATimezones",
  "experimental" : false,
  "resourceType" : "ValueSet",
  "title" : "I a n a timezones",
  "extension" : [ {
    "valueCode" : "fhir",
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"
  }, {
    "url" : "http://health-samurai.io/extensions/source",
    "valueCode" : "db"
  } ],
  "status" : "draft",
  "id" : "timezones",
  "url" : "http://hl7.org/fhir/ValueSet/timezones",
  "identifier" : [ {
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.3.1036"
  } ],
  "version" : "4.0.1",
  "contact" : [ {
    "telecom" : [ {
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    } ]
  } ]
}