Date Calculator

Pick a start date and the amount of time to add or subtract. Handy for deadlines, notice periods and warranty end dates.

Type a number and the answer appears straight away.

Your answer

The math behind it: Date Calculator

Months are added first, then weeks and days. If the start day does not exist in the target month, the last day of that month is used: one month after 31 January is the end of February.

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