Free Date Calculator 2026 to add or subtract days, months and years from any date. Calculate future dates, past dates and days between dates instantly.
Result Date
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Yes, the calculator automatically accounts for leap years when adding or subtracting dates.
Yes, you can choose to calculate business days which excludes weekends (Saturday and Sunday).
The calculator can handle dates from the past several centuries to far into the future.
Simply enter or calculate any date, and the calculator will display the corresponding day of the week.