Typically, a domestic package sent within Germany using Deutsche Post services can take anywhere from one to three business days for standard delivery. For priority services, such as Express or same-day delivery, packages may arrive as quickly as the next business day. Delivery times can vary based on several factors, including the distance between the sender and recipient, as well as the specific service selected. Additionally, the time of day when the package is sent can also influence delivery speed. During peak periods, such as holidays, it is advisable to allow for extra time in case of increased volume. For the most accurate information regarding delivery times and services, one can refer to the current web page for Deutsche Post's offerings and guidelines.