I was doing them a favor regarding this request:
How about you print off a map of new holland (australia) on to a 4a sheet of paper . Then draw a line from the stkilda beach location .south west . Then draw one from the broome location in a west direction & then one from darwin in a west direction . Then draw a line from broome till it intercepts with the projected line of stkilda's south west sun set & then do the same from darwin.
Now kiddies dont try this at home,. You could be scarred for life. Leave it to the xspurts. What is an xspurt you ask .Well an x is a lover you got ridd of & a spurt. Well thats a drip under pressure.
Regarding the sentence written with red letters: The sun shouldn't set (neither according to FET nor RET) due South-West, observing it from anywhere in New Zealand, or Australia. If it happens somehow, it can't be the consequence of any known astronomical rule (FET or RET), it can only be the consequence of messing up with maps of Southern regions (below the equator) which don't represent the reality (the real shape of southern continental masses).
Why shouldn't the sun set south west. Myself and Aliveandkicking have proven
over and over again in this thread, that the sun sets in the south west in Australian and New Zealand Summer.
You changed the wording to DUE south west, just now, Even as far north as Darwin, On the Summer Solstice sunset is at 246 degrees, 24 degrees south of west. The text on your picture suggesting it's north west is wrong. And not supported by any pictures.
If you go as far south as Hobart, the furthest south, the sun sets at 237 degrees on the summer solstice, still not DUE south west but only 12 degrees off.
The southernmost ip of New Zealand Jacquemart Island the summer solstice sunset is 229 degrees.
So since you changed the wording to DUE south west ( 225 degrees ) I have to say that there is no part of New Zealand or Australia that the sun sets DUE south west.
The closest (Jacquemart Island) is only 4 degrees off due south west however.