How long does it take penguin to hatch egg after is hatch?

A penguins does not hatch an egg after it has hatched. A penguins hatches from an egg. The time it takes for a penguin egg to hatch varies depending on the species of penguin. For example, the emperor penguin has an incubation period of around 64-66 days, while the gentoo penguin has an incubation period of around 35 days.