The date time used by the Global PositioningSystem (GPS) date time is normally expressed as a week number and aseconds-of-week number. This format is not as easy to work with asa normal calendar date time. This app can help to convert the GPSweek-seconds format into the equivalent local date time andvice-versa. It has the option to choose which local UTC time zoneto use for conversion. The app will automatically adjust the localtime for GPS leap seconds.