- March 1, 1963
- March 2, 1963
- March 3, 1963 (This strip is adapted in It's Arbor Day, Charlie Brown)
- March 4, 1963
- March 5, 1963
- March 6, 1963
- March 7, 1963
- March 8, 1963
- March 9, 1963
- March 10, 1963 (This strip is adapted in Charlie Brown's All-Stars and A Charlie Brown Celebration)
- March 11, 1963
- March 12, 1963
- March 13, 1963 (Snoopy interacts with the notes from Schroeder's piano for the first time)
- March 14, 1963
- March 15, 1963
- March 16, 1963 (This strip is adapted for the end credits of The Peanuts Movie)
- March 17, 1963 (This strip is adapted in Be My Valentine, Charlie Brown and in the episode "Just for Love" from the 2014 French TV series Peanuts)
- March 18, 1963
- March 19, 1963
- March 20, 1963
- March 21, 1963
- March 22, 1963
- March 23, 1963
- March 24, 1963
- March 25, 1963
- March 26, 1963
- March 27, 1963
- March 28, 1963
- March 29, 1963
- March 30, 1963
- March 31, 1963 (This strip is adapted in Charlie Brown's All-Stars)
| ← February 1963 | April 1963 → |
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