docs: def get_json_shift(year, month, day, unit, count, period, symbol):
      """ Gets JSON from shifted date by the Poloniex API
  
      Args:
          year: Int between 1 and 9999.
          month: Int between 1 and 12.
          day: Int between 1 and 31.
          unit: String of time period unit for count argument.
              How far back to check historical market data.
              Valid values: 'hour', 'day', 'week', 'month', 'year'
          count: Int of units.
              How far back to check historical market data.
          period: Int defining width of each chart candlestick in seconds.
          symbol: String of currency pair, like a ticker symbol.
  
      Returns: JSON, list of dates where each entry is a dict of raw market data.
      """
      epochs = date.get_end_start_epochs(year, month, day, 'last', unit, count)
      return chart_json(epochs['shifted'], epochs['initial'],
                        period, symbol)[0]