class_docstr: Reader for HRPT Minor Frame, 10 bits data expanded to 16 bits.
docstr: Get the start time.
docstr_tok: ["Get","the","start","time","."]
code: def start_time(self):
      """Get the start time."""
      return time_seconds(
          self._data["timecode"][0, np.newaxis, :], self.year
      ).astype(datetime)[0]
  
imports: import logging
  from datetime import datetime
  import dask.array
  import numpy
  import xarray
  from geotiepoints import SatelliteInterpolator
  from pyorbital.geoloc import compute_pixels, get_lonlatalt
  from pyorbital.geoloc_instrument_definitions import avhrr
  from pyorbital.orbital import Orbital
  from satpy._compat import cached_property
  from satpy.readers.aapp_l1b import get_avhrr_lac_chunks
  from satpy.readers.file_handlers import BaseFileHandler
label_desc: Use image node_id 18 for calling the HRPTFile obj's underlying member method code with example usage: obj.start_time() and returns: time_seconds