class_docstr: Namespace for datetime related expressions.
docstr: Extract time.
  
  Applies to Datetime columns only; fails on Date.
  
  Returns
  -------
  Expr
      Expression of data type :class:`Time`.
docstr_tok: ["Extract","time",".","Applies","to","Datetime","columns","only",";","fails","on","Date",".","Returns","--","--","--","-","Expr","Expression","of","data","type",":","class",":","`","Time","`","."]
code: def time(self) -> Expr:
      """
      Extract time.
  
      Applies to Datetime columns only; fails on Date.
  
      Returns
      -------
      Expr
          Expression of data type :class:`Time`.
  
      """
      return wrap_expr(self._pyexpr.dt_time())
  
imports: from __future__ import annotations
  import datetime
  from typing import TYPE_CHECKING
  import polars._reexport
  from polars import functions
  from polars.datatypes import DTYPE_TEMPORAL_UNITS, Date, Int32
  from polars.utils._parse_expr_input import parse_as_expression
  from polars.utils._wrap import wrap_expr
  from polars.utils.convert import _timedelta_to_pl_duration
  from polars.utils.deprecation import deprecate_renamed_function, deprecate_saturating, issue_deprecation_warning, rename_use_earliest_to_ambiguous
label_desc: Use image node_id 16 for calling the ExprDateTimeNameSpace obj's underlying member method code with example usage: obj.time() and returns: wrap_expr