function Date: DateStr;
var
  gm,gd,gy,gdow : word;
  month,day:     string[2];
  year:          string[2];
  yr:            string[4];
begin
  GetDate(gy,gm,gd,gdow);
  str(gy,yr);                  {convert to string}
  str(gd,day);               { " }
  str(gm,month);               { " }
  year := '  ';
  year[1] := yr[3];
  year[2] := yr[4];
  if (month[0] = ^A) then month := '0' + month;
  if (day[0] = ^A) then day := '0' + day;
  date := month+'/'+day+'/'+year;
end;

function time: TimeString;
var
  gh,gm,gs,gs100 : word;
  hour,min,sec:     string[2];

begin
  GetTime(gh,gm,gs,gs100);
  str(gh, hour);                 {convert to string}
  str(gm, min);                       { " }
  if (hour[0] = ^A) then hour := '0' + hour;
  if (min[0] = ^A) then min := '0' + min;
  time := hour+':'+min;
end;

procedure get_time;
var gh,gm,gs,gs100 : word;
begin
  GetTime(gh,gm,gs,gs100);
  hour := gh;
  min  := gm;
end;

procedure get_date;
var gy,gm,gd,gdow : word;
begin
  GetDate(gy,gm,gd,gdow);
  year := gy;
  month := gm;
  day := gd;
end;

procedure set_time;
begin
  SetTime(hour,min,0,0);
end;

procedure set_date;
begin
  SetDate(year,month,day);
end;

procedure set_date_time;
begin
  if (time_zone <> 0) then
  begin
    get_date;
    get_time;
    hour := hour + time_zone;
    if (hour > 23) then
    begin
      hour := hour - 24;
      day := day + 1;
      if (day > nbr_days[month]) then
      begin
        day := 1;
        month := month + 1;
        if (month > 12) then
        begin
          month := 1;
          year := year + 1;
        end;
      end;
    end;
  set_date;
  set_time;
  end;
end;

procedure reset_date_time;
begin
  if (time_zone <> 0) then
  begin
    get_date;
    get_time;
    hour := hour - time_zone;
    if (hour < 0) then
    begin
      hour := hour + 24;
      day := day - 1;
      if (day = 0) then
      begin
        month := month - 1;
        if (month = 0) then
        begin
          month := 12;
          year := year - 1;
        end;
        day := nbr_days[month];
      end;
    end;
  set_date;
  set_time;
  end;
end;