Calendar Temporal Unit
From Open Risk Manual
Definition
Calendar Temporal Unit. A Temporal Unit (measure of time) which is to be found in a regular Calendar, i.e. a Day, Month etc., as distinct from units with additional parameters such as business days.
Six properties Year, Month, Day, Hour, Minute, Second, together with Time Zone support the description of components of a temporal position in a Calendar-clock system.
These correspond with the seven property model described in ISO 8601
