class_docstr: Reader class for ATMS L1B products in netCDF format.
class_docstr_tok: ["Reader","class","for","ATMS","L1B","products","in","netCDF","format","."]
docstr: Get observation start time.
docstr_tok: ["Get","observation","start","time","."]
code: def start_time(self):
      """Get observation start time."""
      return datetime.strptime(
          self["/attr/time_coverage_start"], DATE_FMT
      )
  
file_path: satpy/satpy/readers/atms_l1b_nc.py
imports: import logging
  from datetime import datetime
  from satpy.readers.netcdf_utils import NetCDF4FileHandler
label_desc: Use image node_id 2 for calling the AtmsL1bNCFileHandler obj's underlying member method code with example usage: obj.start_time() and returns: datetime