DayIdxOf... (classes)

All classes in dateutils that start with "DayIdxOf" can be used for getting the i-th day of some calendar cycle (such as year, quarter, month, week, etc.) that the input date resides in. These classes are:

• DayIdxOfMonthsCycle
• DayIdxOfYear
• DayIdxOfQuarter
• DayIdxOfMonth
• DayIdxOfWeek

Constructor

The constructor of these classes all take "idx" as the first argument:

• idx: An integer for the day index of the calendar cycle. Use positive numbers to count from the beginning or negative numbers to count backwards from the end. Cannot be zero

Methods

All these classes include the following methods.

modify

Given an input date object, returns the output date as the i-th day of some calendar cycle. The index and type of calendar cycle is based on the derived class and the constructor arguments used.

Required Arguments:

• date: A datetime.date object representing the input date to modify

Returns: The modified output date as a datetime.date object.