string ConvertWallclockToTime()
{
    //llSay(0, ConvertWallclockToTime());
    integer now = (integer)llGetWallclock();
    //now += 43200;
    integer seconds = now % 60;
    integer minutes = (now / 60) % 60;
    integer hours = now / 3600;
    if(now <= 43200)
    {
        return llGetSubString("0" + (string)hours, -2, -1) + ":"
            + llGetSubString("0" + (string)minutes, -2, -1) + ":"
            + llGetSubString("0" + (string)seconds, -2, -1) + ":AM";
    }
    else
    {
        if(now >= 43200 + 3600)
        {
            return llGetSubString("0" + (string)hours, -2, -1) + ":"
                + llGetSubString("0" + (string)minutes, -2, -1) + ":"
                + llGetSubString("0" + (string)seconds, -2, -1) + ":PM";
        }
        return llGetSubString("0" + (string)(hours - 12), -2, -1) + ":"
            + llGetSubString("0" + (string)minutes, -2, -1) + ":"
            + llGetSubString("0" + (string)seconds, -2, -1) + ":PM";
    }

}