DatetimeIndex.is_mixed()

DatetimeIndex.size return the number of elements in the underlying data

DatetimeIndex.duplicated(*args, **kwargs)

DatetimeIndex.astype(dtype, copy=True)

DatetimeIndex.slice_indexer(start=None, end=None, step=None, kind=None)

DatetimeIndex.where(cond, other=None)

DatetimeIndex.ravel(order='C')

DatetimeIndex.is_type_compatible(typ)

DatetimeIndex.to_perioddelta(freq)

DatetimeIndex.is_floating()