Cyclical Time Series gather the data and record as annualy. For instance, the data that successfully collected from Mercedes Benz start 1990-2015. Cyclical time series is different from seasonal time series data. Even though both of the data show peaks and down, but they are quite different. The difference can be seen from predictability time of peaks and down. In cyclical data, Peaks which represent mountain and down which represent valley have not predictable time. Unpredictable time define as the mountain and valley cannot predict when will be happened. Up and down can be happened whenever, without consistency.