About
Learn about HowManyDays.org and our date calculation tools
7/29/2025
What We Do
HowManyDays.org is a simple, fast date calculator that helps you find the number of days between any two dates or within specific time periods.
Why We Built This
Date calculations should be quick and easy. Whether you're:
- Planning an event countdown
- Tracking project deadlines
- Calculating age in days
- Finding workdays between dates
We provide instant, accurate results with shareable links.
Features
Date Calculator: Calculate days until or since any specific date
- Handles past, present, and future dates
- Shows detailed breakdowns (weeks, months)
- Shareable results with unique URLs
Period Calculator: Find total days in time periods
- Seconds, minutes, hours, weeks, months, years, decades, centuries
- Detailed conversions to other units
- Support for both singular and plural forms
Our Approach
- Fast: Calculations happen instantly in your browser
- Private: No personal data collection
- Accessible: Works on all devices and screen readers
- Free: No registration or payment required
Have questions or suggestions? We'd love to hear from you!