Date and time — General recurrence representation

Abstract

This document provides a generalized representation of selection rules and recurring time intervals with repeat rules, in line with the time scale components and date and time representations of ISO 8601-1. The representations describe a superset of the RECUR recurrence rules of RFC 5545 while aiming to maintain compatibility with them. Only date elements from the Gregorian calendar and times from the 24-hour clock are supported. == Introduction The iCalendar standard () has defined the de-facto standard for specifying recurring time intervals. However, its syntax is tightly bound to the syntax and assumptions of , requiring a data model representation that assumes a hierarchy of properties, parameters and data types that are not necessarily provided in other date and time representations, such as the International Standard for date and time representation, . also relies on a numbe

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