Soliviqo

Weeks and months between dates

Express the difference between two dates in weeks, months, and other useful forms.

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How it works

Translates the gap between two dates into friendlier units: full weeks with leftover days, and calendar months with leftover days. It is how people naturally talk about pregnancies, projects, or contracts.

Formula

weeks = ⌊days ÷ 7⌋ · months = full calendar months between the two dates

Example

From 1 January to 1 April 2026 there are 90 days: 12 weeks and 6 days, or exactly 3 months.

Frequently asked questions

Why don't months always match the same number of days?

Calendar months span 28 to 31 days. We count full months and show the leftover days.

Is it the same as dividing days by 30?

Not exactly. Dividing by 30 gives an approximation; here the real calendar months are respected.