Date & Time Calculator

Days Between Dates

Calculate the exact number of days, weeks, and months between two dates.

Days between

73 days

Weeks
10.4
Months (approx.)
2.4

How it works

Enter any two dates in either order — the calculator finds the exact number of days between them, plus the equivalent in weeks and an approximate number of months (using an average 30.44-day month, since months vary in length).

Formula

Days = |Date 2 − Date 1| in days
Weeks = Days ÷ 7
Months ≈ Days ÷ 30.44

Example

From January 1, 2025 to March 15, 2025 is 73 days — about 10.4 weeks or 2.4 months.

Frequently asked questions

Does the order of the two dates matter?

No — the result is always the absolute number of days between them, regardless of which date you enter first.

Why is the month count approximate?

Months range from 28 to 31 days, so there's no single exact "days ÷ months" conversion. This uses the average calendar month length (30.44 days) for a reasonable estimate.