Originally this was first made by KimIV (for MetaTrader 4). There is already a MetaTrader 5 version, but this version is different. This version is not a conversion, but it is written to be as much MetaTrader 5 code as it can. No substitutes for MetaTrader 4 functions wer...
from https://tradingrobots.net/i-paramon-work-time-indicator-for-metatrader-5/