If you want the order for a later time. Please click on the "Get it By - ASAP" Button on cart (as shown in the image).
It will Select ASAP by default which would mean that you expect the order to be delivered as soon as possible. If you want the order to be delivered at the later time. Click on Later
When you click on Later, you will be able to choose the time to want the order for. Select the time and click on PROCEED.
The Time will appear on the cart as per what you chose. Instead of ASAP it will show as PRE-ORDER.