Practical and versatile weekly calendars for the United Kingdom Week numbers Here you find a list of all week numbers for the United Kingdom (UK) Calendar with US week numbers. Author: Created Date/27/PM Sunday or Monday start Calendar. The UK Calendar with a Sunday start is perfect for those who follow the traditional Sunday-Saturday week, while the Monday start calendar is perfect for those who prefer a Monday-Sunday weekAll of these calendar options are available There areweeks in All weeks a