As per this article https://www.bungie.net/en/Help/Article/13125 here are the times for those in Australia and New Zealand.
NZ 03:00am - 07:00am
NSW 01:00am - 05:00am
ACT 01:00am - 05:00am
VIC 01:00am - 05:00am
TAS 01:00am - 05:00am
SA 12:30am - 4:30am
Qld 12:00am - 04:00am
NT 11:30pm - 03:30am
WA 10:00pm - 02:00am
The above times are for tonight 03/12/15 - 04/12/15
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Thanks