Date Difference Calculator
The date difference calculator computes the exact time span between any two dates. Get results in years, months, and days, plus total days and total weeks.
Useful for calculating age, project durations, contract lengths, or the time between any two events. Simply enter a start and end date to see the full breakdown.
How it works
The difference is computed by calendar arithmetic: years, months, and remaining days between the two dates. Total days = absolute difference in calendar days. Total weeks = total days ÷ 7 (rounded down).
Use cases
- Calculating time between two events
- Determining contract or lease duration
- Computing project timelines
- Finding the number of days until a deadline