- 1. JHCHREAS
- [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. ( HL7V3.0 )] (UMLS (HL7) C1550757) =Temporal Concept =GTSAbbreviationHolidaysChristianRoman;
| - 4. JHCHRPEN
- [Pentecost Sunday, is seven weeks after Easter (the 50th day of Easter). ( HL7V3.0 )] (UMLS (HL7) C1550759) =Temporal Concept =GTSAbbreviationHolidaysChristianRoman;
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- 2. JHCHRGFR
- [Good Friday, is the Friday right before Easter Sunday. ( HL7V3.0 )] (UMLS (HL7) C1550758) =Temporal Concept =GTSAbbreviationHolidaysChristianRoman;
| - 5. JHCHRXME
- [Christmas Eve (December 24) ( HL7V3.0 )] (UMLS (HL7) C1550754) =Temporal Concept =GTSAbbreviationHolidaysChristianRoman;
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- 3. JHCHRNEW
- [New Year's Day (January 1) ( HL7V3.0 )] (UMLS (HL7) C1550756) =Temporal Concept =GTSAbbreviationHolidaysChristianRoman;
| - 6. JHCHRXMS
- [Christmas Day (December 25) ( HL7V3.0 )] (UMLS (HL7) C1550755) =Temporal Concept =GTSAbbreviationHolidaysChristianRoman;
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