📆 Days Between Dates Calculator
Enter a start and end date to see exactly how many days and weeks lie between them — useful for a deadline, contract duration or countdown date.
Formula
Days = end date − start date
The calculator counts the number of whole calendar days between the two dates, regardless of your device’s timezone settings, by comparing both dates as local calendar dates.
commonMistakes
- Counting the start date itself as a full day, making the count 1 too high.
useCases
- Calculating the duration of a contract or rental period.