> which is a totally separate question from the layout of a printed calendar I have no strong preference on Monday/Sunday, and I don't think either is inherent

> which is a totally separate question from the layout of a printed calendar I have no strong preference on Monday/Sunday, and I don't think either is inherently more logical than the other. However, it would be illogical, whether Sunday or Monday first, to have the 7th and last day of the week, laid out as the first column on the calendar.