Yes, you can provide an option to the customers to choose a delivery date on the checkout page. StoreHippo allows you to display a calendar from which the customers can choose the date in your e-commerce store. You can achieve so in two ways:
To know more about adding delivery date option on the checkout page of your ecommerce store, visit our help center - https://help.storehippo.com/topic/option-to-choose-delivery-date or https://help.storehippo.com/topic/calendar-widget