Period on Birthday??

Fa

So yesterday at 11:46pm. I started my period. I felt cramps but barely. My period usually (average) last 6 days. And my birthday is on the 10th of November. Will I be on my period on my birthday? And does yesterday count as a day on my period since it wasn’t 12:00am yet??

(My period always start in the morning. My first time having it at night.)