DatetimeIndex.sortlevel(level=None, ascending=True, sort_remaining=None)

DatetimeIndex.tzinfo Alias for tz attribute

DatetimeIndex.is_numeric()

DatetimeIndex.dtype = None

DatetimeIndex.drop_duplicates(*args, **kwargs)

DatetimeIndex.isin(values)

DatetimeIndex.ndim return the number of dimensions of the underlying data, by definition 1

DatetimeIndex.has_duplicates

DatetimeIndex.union_many(others)

DatetimeIndex.item()