Maybe as it is so far North (demonstrating his lack of geographical knowledge of anywhere North of Brisbane), the daylight hours are so long that shifting them one way or the other (which is what changing the time achieves) does not increase the amount of natural light during normal waking hours.

Having just seen this - http://www.worldtimezone.com/daylight.htm - my theory has changed. It now involves some political/social/agricultural motivations, although I can't help but wonder what benefit is derived from moving the daylight during the Summer. Surely Autumn and Spring are the times ...[/rant]