{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "The Gregorian calendar is the calendar in effect in most countries of Christian influence since approximately 1582. This calendar superceded the Julian calendar.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-Calendar",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#status",
    "code" : "status",
    "valueCode" : "active"
  }, {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-id",
    "code" : "internalId",
    "valueCode" : "17423"
  } ],
  "codesystem" : "419fd59a-b46a-5968-8c52-b11df86ebef6",
  "concept_id" : "6e95e7e0-9517-5ca6-9d43-824b1c9b98d3",
  "ancestors" : {
    "GREG" : 0
  },
  "id" : "24282e21-d137-4962-8e11-27caa878cec5",
  "code" : "GREG",
  "display" : "Gregorian",
  "version" : "3.0.0"
}