These festivals, which were held every four years, became so vitally important in Greek life that they were used as the basis for the Greek calendar in which the term, "Olympiad," was used to refer to the period between two Olympic Games.
The main use of cycles was to try to find some commensurable basis for lunar and solar calendars, and the best known of all the early attempts was the octaëteris, usually attributed to Cleostratus of Tenedos (c. 500 bce) and Eudoxus of Cnidus (390 c. 340 bce).
Only grains are, in Scott's words, "visible, divisible, assessable, storable, transportable, and 'rationable.' " Other crops have some of these advantages, but only cereal grains have them all, and so grain became "the main food starch, the unit of taxation in kind, and the basis for a hegemonic agrarian calendar".
Sirius was the basis for the ancient Egyptian calendar.
By virtue of sheer numbers, the 2004-9 Priss is the popular basis for conversions: in those four calendar years, nearly 750,000 were sold in the United States, according to J. D. Power & Associates.
A criteria document, Air Quality Criteria for Lead (U.S. EPA 1977), assessed the scientific basis for regulation, and a standard of 1.5 μg/m (maximum quarterly calendar average) lead was set in 1978 (U.S. EPA 1978).
Her columns were the basis for her astonishingly successful Times Cookery Book and a series of Times calendars with recipes.
Still, no basis for criticism.
Liedtke finds no basis for them.
