private static String formatDT(final float value) {
        return String.format(Locale.getDefault(), "%.1f", value);
    }
Generate a numeric date and time string according to system-wide settings (locale,
date format) such as "7 september at 12:35".

@param date milliseconds since the epoch
@return the formatted string
main/src/main/java/cgeo/geocaching/utils/Formatter.java