Days Between Dates Calculator

How many days between two dates? Find out instantly with Days Between Dates Calculator — the fastest, simplest way to count days, months, and years between any two dates.

INSTANT DATE CALCULATIONS
Just pick a start date and an end date. The result updates automatically — no buttons to press. See the total number of days in large, easy-to-read text, plus a detailed breakdown into years, months, and days.

LIVE CURRENT DATE TRACKING
Toggle "Use Current Date" to always calculate from your chosen start date to today. The result updates in real time — perfect for tracking how many days since an event, or how long you've been on a streak.

INCLUSIVE & EXCLUSIVE MODES
Switch between inclusive and exclusive counting. Inclusive mode counts both the start and end dates. Exclusive mode counts only the days in between. Great for planning vacations, contracts, deadlines, and more.

SAVE & REVIEW HISTORY
Save any calculation with a custom title. Revisit saved entries anytime — items with "Use Current Date" enabled will recalculate dynamically so you always see the latest count.

WEEKDAY DISPLAY
See the weekday name for both the start and end dates at a glance.

TAP TO COPY
Tap the result to copy the number of days to your clipboard instantly.

MULTI-LANGUAGE SUPPORT
Available in English, Simplified Chinese, Traditional Chinese, Spanish, Portuguese (Brazil), French, German, Japanese, and Korean.

DESIGNED FOR EVERYONE
Clean, intuitive interface that follows Apple Human Interface Guidelines. Supports Light Mode and Dark Mode. No ads. No subscriptions. No third-party libraries. Just a simple, reliable date calculator.

Perfect for:
• Counting days until a deadline or event
• Tracking days since a birthday, anniversary, or milestone
• Calculating project durations
• Planning travel and vacations
• Age calculations in days
• Contract and legal date counting

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