ding Period of the range to be adjusted.
    freq : pd.DateOffset
        The freq to which the Periods will be adjusted.
    closed : {'right', 'left'}, default "left"
        Which side of bin interval is closed.
    origin : {'epoch', 'start', 'start_day'}, Timestamp, default 'start_day'
        The timestamp on which to adjust the grouping. The timezone of origin must
        match the timezone of the index.

        If a timestamp is not used, these values are also supported:

        - 'epoch': `origin` is 1970-01-01
        - 'start': `origin` is the first value of the timeseries
        - 'start_day': `origin` is the first day at midnight of the timeseries
    offset : pd.Timedelta, default is None
        An offset timedelta added to the origin.

    Returns
    -------
    A tuple of length 2, containing the adjusted pd.Period objects.
    c