code: def _timedeltaToSignHrMin(offset):
      
      minutes = round((offset.days * 3600000000 * 24
                       + offset.seconds * 1000000
                       + offset.microseconds)
                      / 60000000.0)
      if minutes < 0:
          sign = '-'
          minutes = -minutes
      else:
          sign = '+'
      return (sign, minutes // 60, minutes % 60)
docs: Return a (sign, hour, minute) triple for the offset described by timedelta.
  
      sign is a string, either "+" or "-". In the case of 0 offset, sign is "+".