How to use Add or Subtract Days from a Date
- Choose the starting date.
- Choose add or subtract, and enter years, months and days.
- Read the resulting date and weekday.
About this tool
Months and years are added first and days afterwards. If the day does not exist in the target month, the last day of that month is used, so adding one month to 31 January gives 29 February in a leap year.
Useful for deadlines, due dates, warranty periods and notice periods.
Frequently Asked Questions
- What is 90 days from today?
- Enter 90 days with today's date and read the result.
- Does it skip weekends?
- No. For working days use the business days calculator.
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