Dutch reckoning

As if all Light of Reasoning were so shut up in Clavius his Brain, that because he does not see, the rest of Mankind must be blind; and what is that way of Reasoning that he betakes himself to, but by huddling the Principles of Geometry into Confusion, without order of method of Reasoning, to make a Conclusion, like a Dutch''' Reckoning of Allem-al?

"You knows we never took Mike's duds till you couldn't pay his charges any longer; and since we comes to that, there's two weeks of three shillings and sixpence due for your lodging in the Star-Chamber, for yourself and Master Lionel Falconer, which I supposes you means to pay with a Dutch reckoning: you sees I can speak some names right enough,—d'ye take me,—hey?" and with an ill-natured leer he left the hall.

1 March 1625 in the Dutch reckoning was, in the English reckoning of the time, 19 February 1624.