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

DatetimeIndex.is_numeric() [source]

DatetimeIndex.is_month_start Logical indicating if first day of month (defined by frequency)

DatetimeIndex.is_normalized = None

DatetimeIndex.is_month_end Logical indicating if last day of month (defined by frequency)

DatetimeIndex.is_monotonic_increasing return if the index is monotonic increasing (only equal or increasing) values.

DatetimeIndex.is_monotonic_decreasing return if the index is monotonic decreasing (only equal or decreasing) values.

DatetimeIndex.is_mixed() [source]

DatetimeIndex.is_monotonic alias for is_monotonic_increasing (deprecated)

DatetimeIndex.is_leap_year Logical indicating if the date belongs to a leap year