# description
  Open Issue:
It appears that the printnames are suboptimal and should be improved for many of the existing codes.

# property[].description
Indicates that the code is abstract - only intended to be used as a selector for other concepts

# concept[].definition
Every morning at institution specified times.

# concept[].definition
At bedtime (institution specified time).

# concept[].definition
Two times a day at institution specified time

# concept[].definition
Regular business days (Monday to Friday excluding holidays)

# concept[].definition
Regular weekends (Saturday and Sunday excluding holidays)

# concept[].concept[].concept[].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.

# concept[].concept[].concept[].definition
Good Friday, is the Friday right before Easter Sunday.

# concept[].concept[].concept[].definition
Pentecost Sunday, is seven weeks after Easter (the 50th day of Easter).

# concept[].concept[].concept[].definition
Description:Liberation day  (May 5 every five years)

# concept[].concept[].definition
United States National Holidays (public holidays for federal employees established by U.S. Federal law 5 U.S.C. 6103).

# concept[].concept[].concept[].definition
Columbus Day, the second Monday in October.

# concept[].concept[].concept[].definition
Alternative Monday after 4th of July Weekend [5 U.S.C. 6103(b)].

# concept[].concept[].concept[].definition
Alternative Friday before 4th of July Weekend [5 U.S.C. 6103(b)].

# concept[].concept[].concept[].definition
Labor Day, the first Monday in September.

# concept[].concept[].concept[].definition
Dr. Martin Luther King, Jr. Day, the third Monday in January.

# concept[].concept[].concept[].definition
Washington's Birthday (Presidential Day) the third Monday in February.

# concept[].concept[].concept[].definition
Thanksgiving Day, the fourth Thursday in November.

# concept[].definition
Every afternoon at institution specified times.

# concept[].definition
Every hour at institution specified times.

# concept[].definition
Every 2 hours at institution specified times.

# concept[].definition
Every 3 hours at institution specified times.

# concept[].definition
Every 4 hours at institution specified time

# concept[].definition
Every 6 hours at institution specified time

# concept[].definition
Every 8 hours at institution specified times.

# concept[].definition
Every day at institution specified times.

# concept[].definition
Four times a day at institution specified time

# concept[].definition
Every other day at institution specified times.

# concept[].definition
Three times a day at institution specified time