Calendar: Difference between revisions
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<code>Date</code> class, from the standard library, knows how many days in a month, and which day is Sunday, for both Julian and Gregorian calendars. This program uses <code>Date</code> class, plus its own assumptions, to create the calendar. This program assumes that every year has 12 months and starts with January 1, and every month fits in 6 weeks starting with Sunday.
<lang ruby>require 'date'
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