The indicator shows the server time and the value of the ATR indicator. It is possible to change the location and color of the text, as well as the settings of the ATR indicator.
Trading volume and volatility vary depending on the time of day. Timing plays a very important role in trading.
Probably, you will be able to trade more effectively if you know that volatility is high enough.
For example, the trading robot "EA USDJPY" uses the time and volatility to determine entry points.