You may start "September Sudoku Contest 2026" any time between 9/27/2026 12:00:01 AM IST and 10/4/2026 11:59:59 PM IST. (Server current time 9/25/2026 11:12:55 PM)

Your timer will start when you click "Start September Sudoku Contest 2026" — then you will have 50 minutes to solve and submit your answers.

A timer will be shown the answer page with the remaining time.

If you have any questions or doubts or suggestions, please ask in the forum.