24 hours
A storm dragon has an incubation time of 3 hours.
The frostfire dragon has an incubation time of 12 hours.
The incubation time for a rainbow dragon in DragonVale is 48 hours.
The incubation time for the Swamp Dragon is 9 hours! ~DragonVale Support Team
3 Hours
Your in luck! You may be on your way to hatching a Crystal dragon or if you've found the end of a rainbow ( No, you probably won't get a rainbow dragon) you can get a moon or sun dragon since their incubation time is random. Hope I helped, I'm SuperAthleteRox on gamecentre so please add me!
The breeding time for an crystal dragon is 24 hrs along with its incubation time, although if you have the enchanted breeding cave the breeding time is reduced by 20% but the incubation stays at 24hrs.
Cold and fire are opposites in the game. When you click on the dragon in the egg market, it will tell you which what that dragons opposite is. It is right above where their incubation time is.
The word "incubation" directly refers to the time an egg needs to be kept warm before it hatches. Since cows do not lay eggs, they do not have an incubation period. They have what is called a "gestation" period. This gestation period is generally 285 days long.
The Scorch and the Firefly dragon. Both eggs look the same so you'll only know what you have when it hatches.
Two moon dragons would make another moon dragon. Two of the same type of dragon always results in the same dragon. The time of day does not make a difference when trying to get a sun or moon dragon. That was a rumor that started just after their release, and still hangs on due to old forum posts.
The effect of decreasing incubation time on optical density is that optical density decreases. Incubation time and optical density have a proportional relationship.