First symptom and when

Lindsay • Married to a wonderful man! We got married April 4, 2015. We are now TTC #1 and we are super excited and very hopeful!
I read this thread on Baby Center and was curious about how many people it applies to on glow. Basically the thread was women who had a hunch as early as 24hours after conception that they were pregnant. They thought they were crazy until they missed a period and they were actually pregnant. What was your first symptom and when did you feel it?