Date Difference Calculator
Calculate the number of days (and weeks) between two dates — instantly, in your browser.
Runs in your browser
Private & secure
Calculate the number of days (and weeks) between two dates. Enter a start and end date below — the result updates instantly, entirely in your browser.
How it works
The difference is calculated as whole days between midnight of each date, regardless of which date you enter first. Weeks are shown as an approximate decimal (days ÷ 7) alongside the exact day count.
FAQs
Does it matter which date I enter first?
No — the result is always a positive number of days regardless of the order you enter the two dates in.