system of reckoning

Or, to be more precise, his briss, which the inventor of the Anno Domini system of reckoning, a Scythian monk named Dennis the Diminutive, calculated--surely errantly--to have taken place on Jan. 1, A.D.

From Time Magazine Archive

Hamburg banco, the system of reckoning of the Hamburg Bank.

From The History of Currency, 1252 to 1896 by William Arthur Shaw

Over eleven months, by our system of reckoning.

From The Blind Spot by Austin Hall

We have sixty divisions on the dials of our watches simply because the Greek astronomer Hipparchus, who lived in the second century B. C., accepted the Babylonian system of reckoning time, that system being sexagesimal.

From Chips From A German Workshop, Vol. V. Miscellaneous Later Essays by F. Max (Friedrich Max) Müller

The system of reckoning kinship through females only.

From The Discovery of America Vol. 1 (of 2) with some account of Ancient America and the Spanish Conquest by John Fiske