I'm new to chickens. I have 2 silkie hens, a RI red hen, and 2 silkie roosters in a very large run with 2 coops. They all get along well and are very sweet. One of my silkie hens has been sitting on her eggs. My fiancé said she had 2.. I found SIX! She has had them under her for at least 2 weeks. He didn't want to move her.. I candled the eggs and saw veins in most, some had dark spots, and all had just a see through section on the broad side of the egg about 1/3 of an inch down. There's a solid straight ring around the broad side of the egg where it's see-through. They are very warm in my hand and stay warm. My "mama" hen comes down to eat just once a day in the morning. How do I tell if these eggs will hatch, and when?