It is difficult to say when most orders come in on Fiverr, as it can vary depending on a number of factors, including the location and time zone of the buyers and sellers, the type of services being offered, and the overall demand for those services. Some freelancers may find that they receive more orders at certain times of the day or week, while others may see a more even distribution of orders throughout the day.
If you are a seller on Fiverr and want to increase your chances of receiving orders, you can try optimizing your profile and services to make them more appealing to buyers. This may include updating your portfolio, writing clear and detailed service descriptions, and responding promptly to buyer inquiries. You can also try promoting your services through social media or other marketing channels to reach a wider audience.