This comprehensive collection of calendars could only have been assembled by the authors of the definitive text on calendar algorithms, Calendrical Calculations. Using the algorithms outlined in their earlier book, Reingold and Dershowitz have achieved the near impossible task of simultaneously displaying the date on thirteen different calendars over a three-hundred year period. Represented here are the Gregorian, ISO, Hebrew, Chinese, Coptic, Ethiopic, Persian, Hindu lunar, Hindu solar, and Islamic calendars; another three are easily obtained from the tables with minimal arithmetic (JD,...

These algorithmic tools for programmers, astronomers, and calendar enthusiasts include more than forty calendars and astronomical functions.

These algorithmic tools for programmers, astronomers, and calendar enthusiasts include more than forty calendars and astronomical functions.