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Calendrical Calculations Edward M. Reingold, Nachum Dershowitz
Publisher: Cambridge University Press

There are a related set of classes that let you do all sorts of calendrical calculations. Here are some links to calendars for Norwegian ecclesiastical dates:. Before this discovery, the earliest calendrical calculations known to survive the bonfires of the post-Columbian missionaries were in the 11th-12th century Dresden Codex. And launch window analysis) for lunar spacecraft missions as well as serving as the basis for the Hebrew calendar's 19 year cycle.” Nothing like bringing together the ancient and the modern through calendrical calculations. First, you need to get an NSCalendar object. 6/9/2009 12:15:00 AM Calendar calculations: The best times of the year to make major purchases. Well, for every sale there is a season. Reingold in their book Calendrical Calculations , but is now a GPL project and uses some code derived from other GPL sources. Visit Calculation of the Ecclesiastical Calendar for an overview and calendar calculations. A generic calendar calculator: http://calendarhome.com/tyc/. Ever wonder when the best time of the year it is to buy a new refrigerator, automobile, bedding or more? Calendrical Calculations: Third Edition - Nachum Dershowitz and Edward M. Not only did they not account for leap years, they were completely wrong about how many days were in a year. We formulated there also the Basic Rule of the Hebrew Calendar and its mathematical build-up. It was originally an implementation of some algorithms published by N. If you're going to stick to the standard calendar, you can create a gregorian calendar. Thanks to AKV for pointing out that -components:fromDate:toDate:options will work in this case. The Mayan calendar is very inaccurate when calculating years.