Subtract Years
What date was N years ago?
Years taken off a date, with leap-day clamping, the weekday, and the age that span would make someone.
Questions people ask
The things that come up about subtract yearss, answered plainly.
How do I find the birth year for an age?
Subtract the age in years from today. The result is the birthday for someone turning that age today; anyone born after it is still a year younger.
Related tools
Move a date forwards or backwards by a span, with the calendar's rules applied.
Add Years to DateYears added on the calendar, with 29 February clamped to the 28th in a common year, and the resulting weekday shown.
Age CalculatorYour age in years, months and days, worked out the way a birthday works — plus the totals in weeks, hours and seconds, and how long until the next one.
Subtract MonthsMonths taken off on the calendar, with the shorter-month case clamped and stated — and a warning that month arithmetic does not reverse cleanly.
Past Date CalculatorCount backwards from today by any span — days, weeks, months or years — and get the date with its weekday and week number.