Chapter VI: Lunar Calendars and the Week

Beginnings of the calendar, p. 173.—The moon as the measure of
time, pp. 173-175.—Popular calendars based on the moon, pp. 175,
176.—The lunar year, pp. 176, 177.—Adjustment of the lunar year to
the solar year, pp. 177, 178.—Calendarizing of the lunation, p.
178.—Commencement of the lunar month, pp. 178, 179.—Phases of the
moon often named and used for time-reckonings, pp. 180-182.—Bipartite
division of the lunation, pp. 182-186.—Shorter divisions of the
lunation, pp. 187, 188.—The decade, pp. 188-192.—The ennead, pp. 192,
193.—The octad, pp. 193, 194.—Six-day weeks, p. 194.—The pentad, pp.
194-196.—The hebdomad, pp. 196, 197.—Diffusion of the hebdomadal
cycle: in Africa, pp. 197-199; in India, pp. 199-201; in southeastern
Asia, p. 201; in China and Japan, pp. 202-204; and in the Malay
Peninsula and the Malay Archipelago, pp. 204, 205.—The Arabic
week and the Mohammedan Sabbath, pp. 205, 206.—Mystic numbers in
general, pp. 206-208.—Seven as a mystic number among semi-civilized
peoples, pp. 208-211.—Symbolism of seven in ancient India, Greece,
and Babylonia, pp. 211-212.—The seven planets and planetary deities
of the Babylonians, pp. 213-215.—The planetary week, pp. 215,
216.—Theories of its origin, pp. 216-218.—Spread of the planetary
week in the Roman Empire, pp. 218, 219.—Adoption of the planetary
designations of the weekdays by the Christians, pp. 220, 221.—Spread
of the planetary week among Romance, Germanic, and Slavic peoples
during the early Middle Ages, pp. 221, 222.