A data type for a duration of time with the format PnYnMnDTnHnMnS, where nY is the number of years, nM is the number of months, nD is the number of days, nH is the number of hours, nM is the number of minutes, and nS is the number of seconds.

Properties:

• URI:
  
  http://release.niem.gov/niem/proxy/xsd/4.0/,duration