Penguins are birds, they lay eggs, is your question haw long are the eggs retained?
It takes about 6 months for an emperor penguin chick to be born.
Penguins are not born; they are hatched from eggs.
Emporer penguins have a 9 week incubation period
not long i have a club penguin my user name is sprinkles98
it takes about a day
forever
about 4 days or 10 days
as long as you want it to until you don't go on it for 90 days and you don't remember your penguin
3 months
4years
6 Months.
2-4 months
Like about a minute!!