thanks but this is for 06:00 onwards, these landings are prior to that and are not covered in the PDF
Are you looking at the same PDF ? The one that has
Column A "Night Alternation Period" ?
Let's take an example - BAW26 from Hong Kong is one of the first arrivals, usually landing between 04:30 and 05:00.
Here is the landing runway that it has used for the last 28 days:
20/06/2012 27L southern runway westerly
21/06/2012 09R southern runway easterly
22/06/2012 27L southern runway westerly
23/06/2012 27L southern runway westerly
24/06/2012 27L southern runway westerly
25/06/2012 27L southern runway westerly
26/06/2012 27L southern runway westerly
27/06/2012 27L southern runway westerly
28/06/2012 27L southern runway westerly
29/06/2012 27L southern runway westerly
30/06/2012 27L southern runway westerly
01/07/2012 27L southern runway westerly
02/07/2012 27L southern runway westerly
03/07/2012 27R northern runway westerly
04/07/2012 27R northern runway westerly
05/07/2012 27R northern runway westerly
06/07/2012 27R northern runway westerly
07/07/2012 27R northern runway westerly
08/07/2012 09L northern runway easterly
09/07/2012 27R northern runway westerly
10/07/2012 27R northern runway westerly
11/07/2012 27R northern runway westerly
12/07/2012 27R northern runway westerly
13/07/2012 27R northern runway westerly
14/07/2012 27R northern runway westerly
15/07/2012 27R northern runway westerly
16/07/2012 27R northern runway westerly
17/07/2012 27L southern runway westerly
Can you see the pattern ? Two weeks using the northern runway, followed by two weeks' use of the southern runway.