When Did I Conceive if My Due Date Is October 31?

A calculator that calculates the day of conception based on due date.

If you do not know when you will give birth and you know the date of your last period, use the duea date calculator.

🔮 You seem to want to know the future. You've chosen a delivery date of October 31, 2025. Unfortunately, I can't predict it.

If you want to give birth on October 31, 2025 then you should get pregnant on February 7, 2025, and the first day of your period (L.M.P.) should be January 24, 2025.

Nearest calculation of days of conception based on day of birth