Yes, it is possible to change a reservation date or time with U-Haul. Customers have the flexibility to modify their reservations through the U-Haul website or by using the U-Haul mobile app. To change a reservation, one would typically need to log into their account and navigate to the reservation management section, where options for modifying the details are usually provided. It is important to note that changes may be subject to availability and could potentially affect the rental rate. If one encounters any difficulties or has specific questions about their reservation, it may be helpful to refer to the current U-Haul website, where additional information and guidance can be found regarding the process. This can ensure that any adjustments are made smoothly and efficiently.