Fit focus blocks into the time you have

Plan separate work blocks and manual breaks before starting Windows Focus. This calculator does not simulate how Clock automatically schedules breaks or change Windows settings.

Use a separate Windows focus session for each work block. Take the break yourself after a block ends; the final buffer is free time, not another promised work block. If you prefer Clock automatic breaks, inspect its displayed plan instead of assuming it matches this calculation.

Before the first block, note whether Do not disturb is already on. If it was on before Focus, Microsoft says it remains on when the session ends.

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