How long does it take for a bees to grow into an adult how month?

Bees typically take about 21 days to develop from an egg to an adult for worker bees and drones, while queen bees can take around 16 days. The entire process includes stages of egg, larva, and pupa. Therefore, from egg to adult, it generally takes a little over three weeks. This development time can vary slightly based on species and environmental conditions.