Days between dates
Calculate elapsed calendar days and weeks between two dates, with a negative result for reversed dates.
Formula
Days = end date − start date; weeks = days ÷ 7
Start date = 2026-10-12 · End date = 2026-11-11
How to use
- Choose the start date.
- Choose the end date.
- Read signed elapsed days and weeks.
Examples
- February 28 to March 1, 2024 is 2 days.
Frequently asked questions
Are both dates included?
No. Equal dates give zero; consecutive dates give one day.
What does a negative answer mean?
The end date is earlier than the start date.
Does this count working days?
No. Weekends and leap days count like any other date.
Sources
Updated: