class_docstr: MERSI-2/MERSI-LL L1B file reader.
docstr: Parse date/time strings.
docstr_tok: ["Parse","date\/time","strings","."]
code: def _strptime(self, date_attr, time_attr):
      """Parse date/time strings."""
      date = self[date_attr]
      time = self[time_attr]  # "18:27:39.720"
      # cuts off microseconds because of unknown meaning
      # is .720 == 720 microseconds or 720000 microseconds
      return datetime.strptime(
          date + " " + time.split(".")[0], "%Y-%m-%d %H:%M:%S"
      )
  
file_path: satpy/satpy/readers/mersi_l1b.py
imports: from datetime import datetime
  import dask.array
  import numpy
  from pyspectral.blackbody import blackbody_wn_rad2temp
  from satpy.readers.hdf5_utils import HDF5FileHandler
label_desc: Use image node_id 1 for calling the MERSIL1B obj's underlying member method code with example usage: obj._strptime(date_attr, time_attr) and returns: datetime