- January 1, 1986 (The day that Happy New Year, Charlie Brown! first aired)
- January 2, 1986
- January 3, 1986 (This strip is used on the page for February 29 [Leap Day] of the Dayspring Peanuts A Year's Worth of Smiles and Blessings Desk Calendar)
- January 4, 1986
- January 5, 1986
- January 6, 1986
- January 7, 1986:
- January 8, 1986
- January 9, 1986
- January 10, 1986
- January 11, 1986
- January 12, 1986
- January 13, 1986 (This strip is used on the page for July 5 of the Dayspring Peanuts A Year's Worth of Smiles and Blessings Desk Calendar)
- January 14, 1986
- January 15, 1986
- January 16, 1986
- January 17, 1986
- January 18, 1986
- January 19, 1986 (Partly adapted in the special I Want a Dog for Christmas, Charlie Brown)
- January 20, 1986
- January 21, 1986 (This strip and the following two strips are adapted in Why, Charlie Brown, Why?)
- January 22, 1986
- January 23, 1986 (This strip is used on the page for September 10 of the Dayspring Peanuts A Year's Worth of Smiles and Blessings Desk Calendar)
- January 24, 1986
- January 25, 1986
- January 26, 1986
- January 27, 1986
- January 28, 1986
- January 29, 1986
- January 30, 1986
- January 31, 1986
← December 1985 | February 1986 → |