When was I conceived if i was born on September 10, 1978?

When you ask, "When was I conceived if I was born on September 10, 1978, we assume you mean: What date did your father fertilize your mother's egg to create you? In other words, when did your parents ... you know ... do the thing they do to make a baby ... in this case, you?

We used Research Maniacs' "conceived formula" to calculate when you were conceived, based on your birthday of September 10, 1978. We assume that your mother's pregnancy was normal and went to full term.

According to our calculation, we estimate that your date of conception was on Sunday, December 18, 1977.

It is not an exact science and the date of conception may be a few days before or after the date above. We list our best estimate range of dates below.

Thursday, December 15, 1977
Friday, December 16, 1977
Saturday, December 17, 1977
Sunday, December 18, 1977
Monday, December 19, 1977
Tuesday, December 20, 1977
Wednesday, December 21, 1977

When was I conceived?
Do you want to find out when someone else was conceived? Find out here!

When was I conceived if i was born on September 11, 1978?
Here is the next birthday on our list.