Question????

Tausha • 💕Hubby and I met 6-16-12, got married 9-9-18. Our boy was born April 11, 2014, Baby girl on the way! 💕
So if my partner and I had sex on the 4th but it was like 2:30am (so technically the next day) does that count as the 5th or still the 4th?