Date Calculator - Add or Subtract Days
Add or subtract years, months, and days from any date. Calculate future dates, past dates, project deadlines, and event planning with instant results and days difference.
Part of Yoopla's 445+ free browser tools.
📅 Date Calculator Guide
Add Time: Calculate future dates by adding years, months, and days.
Subtract Time: Calculate past dates by subtracting time periods.
Use Cases: Project deadlines, age calculations, date planning, event scheduling.
Examples: Find the date 90 days from now, or what date was 6 months ago.
How to Use Date Calculator
- 1
Enter a start date or use today.
- 2
Choose Add or Subtract operation.
- 3
Enter years, months, and days to add/subtract.
- 4
View result date and total days difference.
Frequently Asked Questions
How do I calculate a date 90 days from now?▾
Set start date to today, choose Add, enter 0 years, 0 months, 90 days. The calculator will show the exact future date.
Can I combine years, months, and days?▾
Yes! You can add or subtract any combination. For example, 2 years, 3 months, and 15 days.
What date was 6 months ago?▾
Set start date to today, choose Subtract, enter 0 years, 6 months, 0 days to get the past date.
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