class_docstr: Eps level 1b reader for AVHRR data.
docstr: Get start time.
code: def start_time(self):
      """Get start time."""
      # return datetime.strptime(self["SENSING_START"], "%Y%m%d%H%M%SZ")
      return self._start_time
  
imports: import functools
  import logging
  import dask.array
  import numpy
  import xarray
  from dask.delayed import delayed
  from pyresample.geometry import SwathDefinition
  from satpy._compat import cached_property
  from satpy._config import get_config_path
  from satpy.readers.file_handlers import BaseFileHandler
  from satpy.readers.xmlformat import XMLFormat
  from satpy.utils import get_legacy_chunk_size
label_desc: Use image node_id 19 for calling the EPSAVHRRFile obj's underlying member method code with example usage: obj.start_time() and returns: self