I checked the Uber app in my city at 12:30AM and the rate was 2.0x, closed the app, reopened it until it was at normal 1.0x around 12:50AM, 4 USD was my bill ,

I checked the Uber app in my city at 12:30AM and the rate was 2.0x, closed the app, reopened it until it was at normal 1.0x around 12:50AM, 4 USD was my bill , I used it again at 3:30 AM and the surcharge was 1.5, used it anyway since I was really tired, my bill was 6 USD.