How many days does the sparrow hatching egg

The sparrow hatching eggs are about 11-12 days.There are many types of birds, and they are widely distributed. Almost all of them can be seen except for very cold places. There are 5 types in my country.Its breeding ability is very strong. Except for winter, it can breed when it is in winter. When breeding, insects will be preserved. At other times, they mainly eat grains.Usually it can produce 4-6 eggs, and it can leave the nest after 15 days.