Function polars_arrow::compute::temporal::hour

pub fn hour(array: &dyn Array) -> PolarsResult<PrimitiveArray<i8>>

Available on crate feature compute_temporal only.

Extracts the hours of a temporal array as PrimitiveArray<i8>. Value ranges from 0 to 23. Use can_hour to check if this operation is supported for the target ArrowDataType.