Date Adder
Add or subtract days from a date.
Date Adder
Select dates to calculate
Our Date Adder makes it simple to calculate exact age in years, months, days. Free, fast, and no account needed — just open and start using it.
Key Features
Accurate date and time calculations
Supports all date formats and timezones
Instant results with no page reloads
Clean interface optimized for quick use
Free with unlimited calculations
Date Adder
Select or enter
Select or enter your dates above
The Date Adder
The Date Adder calculates instantly
Review the results
Review the results below
Adjust dates to
Adjust dates to explore different scenarios
Copy or note
Copy or note your results
Use Cases
Planning projects and deadlines
Calculating age, tenure, or duration
Tracking important dates and anniversaries
Scheduling across timezones
Quick answers to 'how many days until' questions
Frequently Asked Questions
Is the Date Adder free?
Yes, completely free with no limits or registration.
Does the Date Adder account for leap years?
Yes, all date calculations correctly account for leap years and calendar quirks.
Can I use the Date Adder offline?
Once loaded, the Date Adder runs entirely in your browser, so it works even without an internet connection.
Tool Information
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