## Joint Calendar

**is a direct subtype of Calendar**

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#### TYPE INCLUSION RELATIONSHIPS

#### AVAILABLE FUNCTIONS

#### AVAILABLE CREATE FUNCTION KEYS

#### TYPICAL OBJECTS OF TYPE Joint Calendar

This type represents a union or intersection of several Calendar objects.

In a loose sense, a union of calendars is a new calendar of which the holiday set equals the union of the holiday sets of each member calendar.

More precisely, a date is non-business in a union of calendars if and only if it is non-business in at least one of the member calendars.

Similarly, an intersection of calendars may be loosely characterized as being a new calendar of which the holiday set equals the intersection of the holiday sets of each member calendar.

More precisely, a date is non-business in an intersection of calendars if and only if it is non-business in all of the member calendars.

Certain

**objects can be trivial objects and as such are automatically generated from text that satisfies certain formatting rules.**

*Joint Calendar*For example, the simple text

**represents a**

*%US||BG***object that corresponds to the union of the US and GB calendars.**

*Joint Calendar*Similarly, the simple text

**represents a**

*%US&&BG***object that corresponds to the intersection of the US and GB calendars.**

*Joint Calendar*This formatting rule can be extended to any number of calendars beyond two.

All available calendar codes are listed in Name