<status value="active"/> <date value="2014-03-26"/> <description value="One letter calendar cycle abbreviations (Temporary - remove when RoseTree is fixed)"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-CalendarCycle"/> <concept> <code value="D"/> </concept> <concept> <code value="H"/> </concept> <concept> <code value="J"/> </concept> <concept> <code value="M"/> </concept> <concept> <code value="N"/> </concept> <concept> <code value="S"/> </concept> <concept> <code value="W"/> </concept> <concept> <code value="Y"/> </concept> </include> </compose> </ValueSet>

Code	Display
D	day of the month
H	hour of the day
J	day of the week (begins with Monday)
M	month of the year
N	minute of the hour
S	second of the minute
W	week (continuous)
Y	year