Time to entry is when buy power rise and sell power fall. time to exit is just the other way around.
Sell power in red
buy power in green
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.