It is due primarily to the position of the sun.
The question “what is it like to be there” is essential to the concept in geography known as
Place
Relative Dating
GOOGLE DEFINITION BELOW
Relative dating is the science of determining the relative order of past events (i.e., the age of an object in comparison to another), without necessarily determining their absolute age, (i.e. estimated age).
I think you are looking for "South West"
