Date Duration Calculator
Day
Month
Year
Day
Month
Year
Total Days
0
Between the two dates
Weeks & Days
0w 0d
0 weeks, 0 days
Months & Days
0m 0d
Approximate calculation
Workdays
0
Excluding weekends
Entire Duration: 0 years, 0 months, 0 days
About the Date Duration Calculator
Our date duration calculator helps you figure out exactly how many days are between two dates. Whether you're planning an event, tracking a project, or just curious, this tool makes it easy to calculate the time between any two dates.
- Simple Date Entry - Enter dates using day, month, and year fields or use our calendar picker
- Multiple Formats - See results in total days, weeks and days, or months and days
- Leap Year Aware - Our calculator automatically accounts for leap years and varying month lengths
- Workday Calculation - Option to exclude weekends for business day calculations
How to Calculate Date Differences
- Select your start date using:
- The date input fields (day, month, year)
- The calendar picker for visual selection
- Choose your end date using the same method
- Click "Calculate Duration" to see:
- The total number of days between dates
- Breakdown in weeks and remaining days
- Approximate months and days calculation
- Number of business days (excluding weekends)
- Try the Demo button to see sample calculations
Practical Uses for Date Calculations
Project Planning
"Our project starts on June 15th and needs to be finished by September 30th. How many working days do we have?"
Personal Events
"My vacation is from August 5th to August 20th. How many days until I leave, and how long will I be away?"
Financial Planning
"The invoice is due 45 days from March 15th. What's the exact due date, and how many weeks is that?"