Date Calculator
Calculate the exact duration between two dates or add and subtract days from any date. Free and instant.
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Tool Coming Soon
This tool is under development. The admin has created the tool entry, but the functionality file hasn't been added yet.
File expected: tools/date-calculator.php
About Date Calculator
Date Calculator - Duration & Difference
Find the exact number of days, weeks, months, and years between any two dates with our free Date Calculator. Switch to Add / Subtract mode to quickly add or remove days from a date and see the resulting weekday, day of year, and ISO format.
Why Use Our Date Calculator?
- Two Modes — Date difference or add/subtract days
- Accurate Duration — Years, months, days and more
- Weekday Count — Excludes weekends automatically
- 100% Free — No signup, no data storage
- Works Anywhere — Mobile and desktop friendly
How to Calculate Dates
- Choose Date Difference or Add / Subtract mode
- Pick your start and end dates (or date and day count)
- View the full duration breakdown instantly
Perfect for planning trips, counting down to events, calculating deadlines, age gaps, and project timelines.