Days Between Dates Calculator
Calculate Days Between Dates
Formula
Days = |Date2 - Date1| in milliseconds / (1000 × 60 × 60 × 24). Weeks = Days ÷ 7 (integer), Remaining = Days mod 7.
Frequently Asked Questions
How are the days calculated?
Days are calculated using the absolute difference between two Date objects, converted from milliseconds to days. This accounts for leap years and varying month lengths.
Does it count the start and end dates?
The calculation gives the number of days between the two dates, not including the start date. If you need to include both dates, add 1 to the result.