Does every dog have its day?

Answer 1

The meaning of the proverb, every dog has its own day means that everyone gets the chance to have things go well in life. It can also mean that everyone at some point will have the ability to get revenge on someone who has wronged them,

Answer 2

Not always. This idiom suggests that everybody gets their chance eventually, but in reality, this is not entirely true; you often have to make your own chances in life.