Python in a Nutshell, 2nd Edition

The calendar Module

The calendar module supplies calendar-related functions, including functions to print a text calendar for a given month or year. By default, calendar takes Monday as the first day of the week and Sunday as the last one. To change this, call calendar.setfirstweekday. calendar handles years in module time’s range, typically 1970 to 2038. Module calendar supplies the following functions.

calendar	calendar(year,w=2,l=1,c=6) Returns a multiline string with a calendar for year year formatted into three columns separated by c spaces. w is the width in characters of each date; each line has length 21*w+18+2*c. l is the number of lines for each week.
firstweekday	firstweekday( ) Returns the current setting for the weekday that starts each week. By default, when calendar is first imported, this is 0, meaning Monday.
isleap	isleap(year) Returns True if year is a leap year; otherwise, False.
leapdays	leapdays(y1,y2) Returns the total number of leap days in the years within range(y1,y2).
month	month(year,month,w=2,l=1) Returns a multiline string with a calendar for month month of year year, one line per week plus two header lines. w is the width in characters of each date; each line has length 7*w+6. l is the number of lines for each week.
monthcalendar	monthcalendar(year,month) Returns a list of lists of ints. Each sublist denotes a week. Days outside month month of year year are set to 0; days within the month are set to their day-of-month, 1 and up.
monthrange	monthrange(year,month ...