The Conception Calculator

Due on Juneteenth: When Did You Conceive?

Due dates & conception. Updated . Calculated with the standard pregnancy dating method used by ACOG and the NHS.

A baby due on Juneteenth (June 19) was most likely conceived around September 26 of the previous year.

Due dateJune 19
Most likely conception dateSeptember 26
Likely conception windowSeptember 23 – September 29
Estimated last periodSeptember 12

Only a small share of babies arrive on their exact due date, so a holiday due date is a target rather than a promise.

Use the conception date calculator for your exact dates.

Conception Date Calculator: Find the most likely conception date from your due date.

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This article is general information, not medical advice. Talk to a doctor or midwife about your own pregnancy or fertility.