15 days.
Don't get excited if the dove is not sitting on the egg or is standing over the egg not getting it warm. They will sit on it when they are ready. The incubation will take about 15 days for the eggs to fully hatch. Dove eggs do not have a waterproof membrane like chicken eggs so it is important not to get a dove egg wet. Anything you put on the egg will penetrate the shell and affect the baby inside. How long will it take the eggs to hatch? On average, a mallard hen (female) lays one egg per day for about nine days. She will incubate the eggs for about 26-28 days before they hatch. Once hatched, it will be about 50 days before the ducklings can fly. Turkey eggs usually take 21 to 28 days to hatch depending on what they are incubated in like an incubator or by a hen. It also depends on how fertile it is and how it is cared … for. It usually takes closer to 28 days. Many people call white pigeons doves, especially white homing pigeons, kings, and fantails. Pigeons hatch in about 18 days. The other option is the Ringneck Dove, which is a legit dove. They are smaller and more dainty, with a different sound, and a completely different species. They hatch in about 14 days.
http://pet-doves.com/petdoves/dove_eggs.htm https://ca.answers.yahoo.com/question/index?qid=20080402005540AA1PZIa http://www.answers.com/Q/How_long_do_dove_eggs_take_to_hatch https://answers.yahoo.com/question/index?qid=20110401115331AAy4nTr
how long does it take for a dove to hatch their eggs