DatetimeIndex.is_year_end Logical indicating if last day of year (defined by frequency)

DatetimeIndex.resolution = None

DatetimeIndex.is_monotonic alias for is_monotonic_increasing (deprecated)

DatetimeIndex.ravel(order='C')

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

DatetimeIndex.floor(freq)

DatetimeIndex.is_type_compatible(typ)

DatetimeIndex.is_mixed()

DatetimeIndex.base return the base object if the memory of the underlying data is shared

DatetimeIndex.is_quarter_start Logical indicating if first day of quarter (defined by frequency)