DouKaku?

# coding: shift_jis

import Tkinter as Tk
import calendar
import sys

def grid_configure(frame, col_count, row_count):
    for col in xrange(col_count):
        frame.grid_columnconfigure(col, weight=1)
    for row in xrange(row_count):
        frame.grid_rowconfigure(row, weight=1)

class MonthPanel(Tk.Frame):
    def __init__(self, master, year, month):
        Tk.Frame.__init__(self, master)

        label = Tk.Label(self, text=u"%d月" % month)
        label.pack(side=Tk.TOP, fill=Tk.X)

        frame = Tk.Frame(self)
        frame.pack(side=Tk.TOP, fill=Tk.BOTH, expand=True)

        grid_configure(frame, 7, 7)

        def create_label(row, col):
            label = Tk.Label(frame, bg="white")
            label.grid(row=row, column=col, sticky="news", padx=1, pady=1)
            return label

        labels = [[create_label(row, col) for col in xrange(7)] for row in xrange(7)]

        def text(col, row, s, color="white"):
            labels[row][col].configure(text=s, bg=color)

        for col, s in enumerate(u"日月火水木金土"):
            if col == 0:
                color = "#F7CACA"
            elif col == 6:
                color = "#CEFFFF"
            else:
                color = "#E7FFE7"
            text(col, 0, s, color)

        for row, a in enumerate(calendar.Calendar(6).monthdayscalendar(year, month)):
            for col, day in enumerate(a):
                if day:
                    text(col, row + 1, day)

def main():
    if len(sys.argv) != 2:
        sys.stderr.write("usage: year\n")
        return
    year = int(sys.argv[1])

    root = Tk.Tk()
    root.title(u"%d年 年間カレンダー" % year)

    grid_configure(root, 4, 3)

    for i in xrange(12):
        frame = MonthPanel(root, year, i + 1)
        frame.grid(row=i/4, column=i%4, sticky="news", padx=2, pady=2)

    root.mainloop()

if __name__ == '__main__':
    main()