{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "Easter Sunday. The Easter date is a rather complex calculation based on Astronomical tables describing full moon dates. Details can be found at \\\\[http://www.assa.org.au/edm.html, and http://aa.usno.navy.mil/AA/faq/docs/easter.html\\\\]. Note that the Christian Orthodox Holidays are based on the Julian calendar.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-GTSAbbreviation",
  "property" : [ {
    "code" : "status",
    "valueCode" : "active"
  }, {
    "code" : "internalId",
    "valueCode" : "10730"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_GTSAbbreviationHolidaysChristianRoman"
  } ],
  "codesystem" : "89280ad4-f3ac-58a5-b73f-d22851fee2b3",
  "concept_id" : "e7e78c05-ff5c-5cc6-a08d-394c19757a7a",
  "ancestors" : {
    "JH" : 2,
    "JHCHREAS" : 0,
    "_GTSAbbreviationHolidaysChristianRoman" : 1
  },
  "id" : "87d55450-27e4-4ee0-8a3d-7ff4cd1bae54",
  "code" : "JHCHREAS",
  "display" : "JHCHREAS",
  "version" : "3.0.0"
}