This seems to be available only in US unfortunately. https://techcrunch.com/2019/02/28/amazon-prime-members-can-choose-a-weekly-delivery-date-with-launch-of-ama

This seems to be available only in US unfortunately. https://techcrunch.com/2019/02/28/amazon-prime-members-can-choose-a-weekly-delivery-date-with-launch-of-amazon-day/ https://techcrunch.com/2019/02/28/amazon-prime-members-can-c...