what is dhl end of day refers to the latest time by which DHL guarantees that a package will be delivered to its destination for a given day. The “end of day” typically varies depending on the location and service level selected by the customer, but it usually refers to the last business hours of the day, often by 5 or 6 PM local time. Knowing the end of day for your delivery can help manage expectations for when the package is likely to arrive.