Date difference calculator
Days, weeks, months and hours between two dates.
Day difference364
Week52
Approximate month12
Approximate year1
Hour8,736
How to use it
- 1Enter the start date in year-month-day format.
- 2Enter the end date.
Worked examples
Sample calculation
From 2026-01-01 to 2026-12-31 equals 364 days.
Frequently asked questions
What if the end date is before the start date?
A negative result is shown, but the converted values are calculated based on the absolute value.