The organisers say the new round-the-world route will be faster and take a month less time.
The original Sunday start was delayed by Cyclone Pam.
Organisers say fifth leg won't start until Tuesday midday at the earliest.
The city will host 15-day stopovers in 2015 and 2018.
The round-the-world yachts are due in Auckland early next March for 10 days.
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