Alexander Philip (essay date 1921)
SOURCE: “Part I,” in The Calendar: Its History, Structure and Improvement, Cambridge University Press, 1921, pp. 1-27.
[In the following excerpt, Philip surveys the historical measurement of time, reviews the development and reform of the Western calendar, and looks at several world calendars.]
THE MEASUREMENT OF TIME
Our knowledge of time is wholly dependent on measurement. Without the specification of magnitude or quantity the idea of time is meaningless. Now, we can measure time—physically—in one way only—by counting repeated motions. Apart, therefore, from physical pulsations we should have no natural...
(The entire section is 9080 words.)