@NonNull
    public static String formatTime(final long date) {
        return DateUtils.formatDateTime(getContext(), date, DateUtils.FORMAT_SHOW_TIME);
    }
Generate a time string according to system-wide settings (locale, 12/24 hour)
such as "13:24".

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