Short description of FishByte 6.1.3: How it works: First, you have to find your location on the built-in map. Next, select a day or a period of days when you will be fishing or hunting. FishByte will calculate the sunrise-sunset and monrise-moonset times and the moonphase-moon age for your location and dates and, if available, looks up the weather forecast for the selected place and day(s).Based on this information, FishByte calculates up to four good fishing-hunting times daily.