The indicator shows on a chart High and Low levels over the specified time interval, which is set as hours and minutes of the period beginning and end.
The indicator shows two zones: "period" and "area". When the price is in the period zone, the values of the High and Low levels are recalculated.
The indicator allows setting:
It has five input parameters:

Fig.1. "Period" from 00:00 to 05:00, "Area" to 23:00 on the H1 chart

Fig.2. "Period" from 00:00 to 05:00, "Area" to 23:00 on the M15 chart
Translated from Russian by MetaQuotes Ltd.
Original code: https://www.mql5.com/ru/code/20343
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