The egg was laid somewhere between 75 and 78 days ago.
The National Kiwi Hatchery Aotearoa, at Rainbow Springs in Rotorua, is the leading kiwi hatchery in the world, incubating and hatching over 130 kiwi chicks each year.
Out of every 100 kiwi eggs laid in burrows in the forest, only five kiwi chicks will make it to adulthood.
By hatching the kiwi eggs in safety at the hatchery and caring for them until they reach a "stoat-proof" weight of 1kg, their survival rate increases to 65 percent.
The National Kiwi Hatchery Aotearoa received their first kiwi egg in 1995.
After the chick has hatched, the team at the National Kiwi Hatchery will give it a full health check-up and then place it in a specially designed hatcher.
After two days the chick will be moved to a brooder box - a creche for baby kiwi that's a nice safe, warm place to grow up without having to worry about predators.
At three weeks old, the chick will be released into an outdoor enclosure mimicking natural forest conditions, staying there until it grows to one kilogram in weight.
After four to five months it will be returned to the wild, big enough to fend for itself in the face of any predators.
Rainbow Springs is owned and operated by Ngāi Tahu Tourism, which is also the National Kiwi Hatchery's biggest sponsor.