function TtheCalendar.CalcEaster:String;
var B,D,E,Q:Integer;

GF:String;
begin

B:=225-11*(Year Mod 19);
D:=((B-21)Mod 30)+21;
If D>48 then Dec(D);
E:=(Year+(Year Div 4)+D+1)Mod 7;
Q:=D+7-E;
If Q<32 then begin
If ShortDateFormat[1]='d' then
Result:=IntToStr(Q)+'/3/'+IntToStr(Year)

else Result:='3/'+IntToStr(Q)+'/'+IntToStr(Year);
end
else begin
If ShortDateFormat[1]='d' then
Result:=IntToStr(Q-31)+'/4/'+IntToStr(Year)

else Result:='4/'+IntToStr(Q-31)+'/'+IntToStr(Year);
end;
{вычисление страстной пятницы}
If Q<32 then begin
If ShortDateFormat[1]='d' then GF:=IntToStr(Q-2)+'/3/'+IntToStr(Year)
else GF:='3/'+IntToStr(Q-2)+'/'+IntToStr(Year);
end
else begin
If ShortDateFormat[1]='d' then
GF:=IntToStr(Q-31-2)+'/4/'+IntToStr(Year)

else GF:='4/'+IntToStr(Q-31-2)+'/'+IntToStr(Year);
end;

end.