Most calendars in the US sold for "business" use show week numbers on each Sunday since week numbers are often used by people in payroll and finance. So it's no

Most calendars in the US sold for "business" use show week numbers on each Sunday since week numbers are often used by people in payroll and finance. So it's not too hard to get a calendar that shows them and I also find it useful for things like working out 2/3 week sprints into the future.