Date Add / Subtract Calculator
Add or subtract days, weeks, months, or years from a specific date using our free and accurate date add/subtract calculator.
Last updated: January 2026
How to Use the Date Add / Subtract Calculator
- Select a base date
- Choose whether to add or subtract time
- Enter the number of days, weeks, months, or years
- Click calculate to get the resulting date
What Can This Calculator Be Used For?
The Date Add/Subtract Calculator is useful for planning events, setting deadlines, calculating future or past dates, managing projects, academic schedules, and legal or financial timelines.
Does This Calculator Handle Leap Years?
Yes. This calculator automatically accounts for leap years, varying month lengths, and calendar rules when calculating dates.
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