All Amazon items estimated for delivery on Tuesday or later?

[Silly Goose On The Loose]

Usually I can order an Amazon item on a Saturday and it will turn up on a Monday.

How come Amazon is saying that all items ordered right now are due on Tuesday or later? Is there an event on Monday that means no deliveries are taking place on Monday?

 

[Silly Goose On The Loose]

Apparently all next day deliveries have been suspended until the new year!