class_docstr: SEVIRI L1B handler for HDF4 files.
class_docstr_tok: ["SEVIRI","L1B","handler","for","HDF4","files","."]
docstr: Get the start time.
docstr_tok: ["Get","the","start","time","."]
code: def start_time(self):
      """Get the start time."""
      attr = self["/attr/Beginning_Acquisition_Date"]
      if isinstance(attr, np.ndarray):
          attr = str(attr.astype(str))
      # In some versions milliseconds are present, sometimes not.
      try:
          stacq = datetime.strptime(attr, "%Y-%m-%dT%H:%M:%SZ")
      except ValueError:
          stacq = datetime.strptime(attr, "%Y-%m-%dT%H:%M:%S.%fZ")
      return stacq
  
imports: from datetime import datetime
  import numpy
  from satpy.readers._geos_area import get_area_definition, get_area_extent
  from satpy.readers.hdf4_utils import HDF4FileHandler
label_desc: Use image node_id 9 for calling the SEVIRI_ICARE obj's underlying member method code with example usage: obj.start_time() and returns: stacq