THE DAILY RITUAL · 2 min read

A little time for yourself

Some days you finish the board. Some days you find one good move. There is room for both.

Back to today's puzzle
Illustration of a Sudoku sheet, blue pencil, and cup of tea in daylight.

Start small

Open today’s board with one modest aim: find a number you can explain. A nearly full row or box is a good place to begin. There is no need to commit to finishing in one sitting.

Try pairing it with a moment you already have: after lunch, on a quiet commute, or before closing your laptop. There is no right time and no daily obligation.

Stop without losing the thread

Leave useful pencil notes before a break. They give you a starting point when you return. DaySudoku saves entries and notes in this browser, provided browser storage is available. The solving timer pauses while the tab is hidden; there is no time limit.

If you use several tabs, continue in the one with your latest progress. When the app detects a changed save, load that record before continuing rather than editing two versions of the board.

Curiosity beats speed

When a move works, name the reason: “Only 5 fits this cell” or “4 has no other place in this row.” That small explanation is more useful than rushing to the next number.

Sudoku uses digits, but its basic rule is about placement, not arithmetic. You do not add or multiply the numbers. The rules published by Nikoli are the same familiar row, column, and box constraints used here.

Enjoy a clear finish

A finished board is enough. Share your result when it feels satisfying; it includes your time and hint count without exposing the solution. Tomorrow brings another puzzle, not another demand on today.

When does tomorrow's puzzle arrive?
At midnight in your browser’s local time. Midnight does not replace a board you are already playing. Reload to open the new day, or choose Load New Puzzle from a completed result when it becomes available.
What if I don't finish today?
Nothing is penalized. You can continue an already-open board after midnight. A new page load uses the new local day; there is no archive picker, so returning to yesterday’s unfinished board is not currently offered.
Can I continue on another device?
Not yet. Saves stay in the current browser, without an account or cloud sync. Use the same browser to resume, and avoid clearing its site data while you are working on a puzzle.
Is using a hint a failure?
No. A hint is optional help for an empty cell you choose. There is no limit, but the count stays in your result. You decide what makes a satisfying solve.

Keep DaySudoku one tap away or learn one new solving idea.

Keep exploring

A little understanding goes a long way.