DAVID G. SIMPSON
WORLD SEASON CALENDARThe World Season Calendar is a proposal for calendar reform by author Isaac Asimov. In this calendar, the year is divided into four seasons of 13 weeks each. The calendar for each season always has the following form:
The seasons of the year are named A, B, C, and D; they correspond to the following seasons:
December 21, which is on or near the time of the northern winter solstice on the Gregorian calendar, is called A-1 on the World Season Calendar.
Since each of the four seasons contains 91 days, there are 91 × 4 = 364 days in all four seasons. To make 365 days, an extra day called “Year Day” is added at the end of season D. Year Day is day D-92, and is not assigned a day of the week.
During leap year, an extra day called “Leap Day” is added at the end of season B. Leap Day, when it occurs, is day B-92, and is not assigned a day of the week.
Notes Asimov, Isaac. “The Week Excuse”, in The Tragedy of the Moon, pp. 48-58. Doubleday and Co., 1973. ISBN 0-440-18999-3.
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Copyright © 2006 David G. Simpson