Add / Subtract Days to Date
Add or subtract days, weeks, or months from any date. Find what date it will be in X days.
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Result Date
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Day of Week
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Equivalent
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Quarter
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ISO Format
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Unix Timestamp
Frequently Asked Questions
What date is 90 days from today?
Enter today's date and 90 in the days field. The calculator will show you the exact date, day of week, and more.
Can I subtract days?
Yes! Enter a negative number (e.g., -30) to find a date in the past.
How do I calculate business days?
This calculator counts calendar days. For business days, multiply your desired business days by 7/5 (e.g., 20 business days ≈ 28 calendar days).