Select Dates
Total Days
0 days
Years
0
Months
0
Days
0
Complete Duration
0 years, 0 months, 0 days
Weeks
0 weeks
How Date Difference Works
This calculator computes the exact time difference between two dates, accounting for varying month lengths and leap years.
Common Uses
- Calculate project duration
- Determine age in years, months, and days
- Plan events and deadlines
- Track time since a specific date
- Calculate pregnancy duration
Date Calculation Notes
- Total days includes all calendar days between dates
- Weeks are calculated as total days ÷ 7
- Months and years account for varying lengths
- Leap years are automatically handled