Date Calculator
Free Date Calculator to add or subtract days, months, years from any date. Calculate future dates and past dates instantly.
Date Calculator | How Long Calculator
Add or Subtract Days, Months, and Years from Any Date
Use our Date Calculator to easily add or subtract days, months, or years from any given date. This powerful tool helps you calculate deadlines, due dates, anniversaries, and plan future events with precision.
Whether you're calculating 90 days from today, determining when a project will end, or finding what date it will be in 6 months, our date calculator provides accurate results instantly. Perfect for business planning, legal deadlines, and personal scheduling.
Date Calculator Features:
- Add or subtract days from any date
- Calculate future and past dates
- Leap year calculations included
- Multiple date format support
- Business days calculation option
Frequently Asked Questions - Date Calculator
How do I add days to a specific date?
Enter your starting date and the number of days you want to add. Our date calculator will instantly show you the resulting future date.
Can I calculate what date it will be 90 days from now?
Yes! Simply enter today's date and add 90 days to see exactly what date it will be 90 days from now.
Does the date calculator account for leap years?
Absolutely! Our calculator automatically includes leap years in all date calculations for 100% accuracy.
Can I subtract days to find a past date?
Yes, you can subtract any number of days, months, or years to calculate past dates from any given starting date.
What date formats does the calculator support?
Our date calculator supports multiple formats including MM/DD/YYYY, DD/MM/YYYY, and YYYY-MM-DD for global usability.