all it is , is that light night will get rabbits away a lot more quicker than dark night , when its light there in the edge that muck quicker, a dark windy night a dog got few secs on the rabbit longer, which can be a catch or not , both my dogs can get good bags of rabbits in most places ive took them, but when its light,no wind etc its all to the advantage to the rabbit deff, I ve caught rabbit on full moon many a time, but I know what easier night for a dog .
Imo if you wait for the dark nights to go out you will hardly be out during the season. And weather it's dark or ligh