datetimetest ()
{
  local     DT
  DT="${(%):-%D{%Y-%m-%d %H:%M:%S %Z}}"
  print $DT
  DT=${(%):-%D{%Y-%m-%d %H:%M:%S %Z}}
  print $DT
  print -- "${(%):-%D{%Y-%m-%d %H:%M:%S %Z}}"
  print -- ${(%):-%D{%Y-%m-%d %H:%M:%S %Z}}
  print -- "Date and Time:  ${(%):-%D{%Y-%m-%d %H:%M:%S %Z}} Test"
}