Step one:
First draw a rectangle.
Step 2:
Draw two slashes below.
Step 3:
Then connect them and draw a triangle as the first page of the calendar.
Step 4:
Next to it, draw a small rectangle.
Step 5:
Then draw two right angles below to connect them.
Step 6:
Draw a diagonal line at the right angle, and add some horizontal and vertical lines as the page numbers of the calendar.
Step 7:
Then write the numbers on the first page and add a little circular decoration on it.
Step 8:
Finally, paint it with nice colors, and the calendar is complete.