Is there anyway to tell how long until the eggs are ready to hatch? I'm not too sure when Edna started sitting, I know it's been at least eleven days (August 1st is when I really noticed it). Last night, I candled a few of the eggs and saw some dancing babies inside, (they looked to be the size of marbles) so I'm not sure if I'm looking at chicks due August 20th or 21st? Does anyone have any advice? It's been a few years since I've had a hen hatch some chicks.