When Did I Conceive if My Due Date Is January 4?

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 January 4, 2026. Unfortunately, I can't predict it.

If you want to give birth on January 4, 2026 then you should get pregnant on April 13, 2025, and the first day of your period (L.M.P.) should be March 30, 2025.

Nearest calculation of days of conception based on day of birth