Some months ago I found in a web page an interesting formula:now I have modified it so I can watch when,between two dates,time reaches 1.618.
If you want you can add other fibonacci's percentage such as 0.618-0.786-1-1.382.....and so on.
I repeat that my work was very simple,the formula just exsisted,but I want notice to everyone that if I use a particular technique based on bars or oscillator or whatever you want and this technique appears during the time setup of fibonacci's percentage chances are in your favor.
Good trading

A1:=Input("date A mmddyyyy",1011960,12312100,1072000);
B1:=Input("date B mmddyyyy",1011960,12312100,1082000);
BSA:=BarsSince(A1=Month()*1000000 + DayOfMonth()*10000+ Year());
BSB:=BarsSince(B1=Month()*1000000 + DayOfMonth()*10000+ Year());

setup:=Int(If(((BSA-BSB)*1.618)-BSB>0,((BSA-BSB)*1.618)-BSB,0));

setup;

Now I found this formula:

{ DaysSince last Nth event function.
Calendar day count is independent of
any chart periodicity or missing data.

©Copyright 2003~2006 Jose Silva.
The grant of this license is for personal use
only - no resale or repackaging allowed.
All code remains the property of Jose Silva.
http://www.metastocktools.com }

{ User Inputs }
nth:=Input("Calendar days since Nth [1~1000] event",1,1000,1);
plot:=Input("[1]DaysSince, [2]EventSignals, [3]DayCount",1,3,1);
limit:=Input("Zero reset calendar days from year",1,2100,2000);

{ Event example }
event:=Cross(Mov(C,5,E),Mov(C,20,E));

{ Calendar counter engine }
leap:=Frac(Year()/4)=0 AND Frac(Year()/100)<>0
OR Frac(Year()/400)=0;
y:=Year()*365+Int(Year()/4)
-Int(Year()/100)+Int(Year()/400)-730484;
m:=
If(Month()=2,31-leap,
If(Month()=3,59,
If(Month()=4,90,
If(Month()=5,120,
If(Month()=6,151,
If(Month()=7,181,
If(Month()=8,212,
If(Month()=9,243,
If(Month()=10,273,
If(Month()=11,304,
If(Month()=12,334,
-leap)))))))))));
DayNr:=y+m+DayOfMonth();

{ Restrict Nth to max events }
nth:=
LastValue(If(nth>Cum(event),Cum(event),nth));

{ Days since Nth event }
DaysSince:=DayNr-ValueWhen(nth,event,DayNr);

{ Plot in own window }
If(plot=1,DaysSince,If(plot=2,event,DayNr))


Well, I try to change event:=Cross(Mov(C,5,E),Mov(C,20,E)) with l>through(1,l,9)...and I wish I could to use peak(1,h,9) in order to subtract "event" of peak from "event"of through..namely total days from B minus C.
My purpose is to create a formula that plot in automatic way fibonacci time retracements or extensions...so I will not use input date.
I think this formula is very-very important...thank's to everyone help me!

p.s. how can I attach an image?I don't see the botton...