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A couple of things
time shift is +16 hrs
Second, this will also affect all past data times. Every time daylight
saving changes in Australia and USA I make the changes to the
historical data in intraday databse
This involves exporting the data with a time shift to match the
effects of daylight saving changes, then import back into AB. This is
then set up for the new season
I think I have posted this code in the library,
http://www.amibroker.com/library/formula.php?id=327
If you need to vary the historic data then add in an IF statement as below
Buy=datenum()<1041101;
fh = fopen( "c:\\csvData\\" + Name()+".txt", "w");
if( fh )
{
// fputs( "Ticker,Date,Time,Open,High,Low,Close,Volume,OI \n", fh );
y = Year();
m = Month();
d = Day();
// r = Hour();
// e = Minute();
// n = Second();
for( i = 0; i < BarCount; i++ )
{
if( buy )
{
fputs( Name() + "," , fh );
ds = StrFormat("%02.0f/%02.0f/%02.0f,", m[ i ], d[ i ], y[ i ] );
fputs( ds, fh );
// ts = StrFormat("%02.0f:%02.0f:%02.0f,", r[ i ],e[ i ],n[ i ] );
// fputs( ts, fh );
qs = StrFormat("%.4f,%.4f,%.4f,%.4f,%.0f,%.0f\n", O[ i ],H[ i
],L[ i ],C[ i ],V[ i ],OI[i] );
fputs( qs, fh );
}
}
fclose( fh );
}
Filter=Buy;
AddColumn(C,"",1.3);
On Wed, 10 Nov 2004 01:32:05 -0000, ywwol <ylow@xxxxxxxxxxx> wrote:
>
>
> Ever since daylight saving began, my yahoo current updates in amiquote
> have been wrong. What are the correct database settings?
> I have the day session set to 10:00-16:15, and have tried time shift
> +14, +15 and +16 hours. Or does it have nothing to do with that?
>
>
> Check AmiBroker web page at:
> http://www.amibroker.com/
>
> Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> Yahoo! Groups Links
>
>
>
>
>
--
Cheers
Graham
http://e-wire.net.au/~eb_kavan/
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