In which month should a 73-year-old male snake and an 84-year-old female mouse have babies?

It is best for 73-year-old male snakes and 84-year-old female rats to give birth to dragon babies in August. It must be warm when the baby dragon is born. In terms of popular science, the weather is warm and easy to take care of; In superstition, dragons can only do something in warm weather. It is best in April and May in spring or August and September in autumn. Pregnant babies are usually born in nine and a half months, and can be pregnant in June and July, November and December.