International Sudoku Day

Name: International Sudoku Day
Start: 2026-09-09T00:00:00-07:00
End: 2026-09-09T23:59:59-07:00

September 9

September has a surprise: International Sudoku Day lands on September 9, 2026. Try something different today in its honor.

Photo: Nuppington via Wikimedia Commons.

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