This is a tough question. The more complicated your Magento website is, the longer time it takes complete its development process. However, in general, you will need to spend at least one month to build a simple online store, and from 1-3 months or even more to develop a website with complex functionalities and design. So, if you want to know the exact time then you have to contact us with full details of your work. Our team will examine all of your requirements and help you to estimate the total number of hours needed for your project.