Indicator to view the maximum and minimum value of the penultimate candle

It is not difficult to get the maximum and minimum price of the daily candle, but how to get the maximum and minimum value of the 8-hour candle? 4 hours? that's what I need,

Example: According to the chart time, you have the values of the penultimate candle, as the market is closed I have the last but tomorrow it will be the penultimate. Lines can be plotted to indicate the location of